{"id":1132,"date":"2013-05-22T12:29:14","date_gmt":"2013-05-22T10:29:14","guid":{"rendered":"https:\/\/www.montania-sport.com\/blog\/?p=1132"},"modified":"2024-08-12T14:14:21","modified_gmt":"2024-08-12T13:14:21","slug":"comment-choisir-son-sac-de-couchage","status":"publish","type":"post","link":"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-sac-de-couchage\/","title":{"rendered":"Comment choisir un sac de couchage ?"},"content":{"rendered":"\n<p>Comment faire le meilleur choix de sac de couchage face \u00e0 l&rsquo;\u00e9tendue de l&rsquo;offre actuelle sur le march\u00e9 de l&rsquo;outdoor ? Pour vous y aider, nous avons pr\u00e9par\u00e9 ce dossier sp\u00e9cial sac de couchage. Vous trouverez ici toutes les cl\u00e9s pour choisir le sac de couchage id\u00e9al de vos prochaines aventures \u00e0 pied, en v\u00e9lo, \u00e0 la belle \u00e9toile, sous la tente etc&#8230;<\/p>\n\n\n\n<!--more-->\n\n\n\n<h2 class=\"wp-block-heading\">Sommaire de ce dossier sp\u00e9cial SAC DE COUCHAGE<\/h2>\n\n\n\n<p>Pour choisir un sac de couchage adapt\u00e9 \u00e0 sa pratique, il est important de se poser les questions suivantes :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"#Quelle-est-votre-destination\">Quelle est votre destination ? <\/a><\/li>\n\n\n\n<li><a href=\"#Quand-partez-vous-?\">\u00c0 quelle p\u00e9riode partez-vous ? <\/a><\/li>\n\n\n\n<li><a href=\"#Chaleur-poids-ou-volume-?\">Chaleur, poids, volume&#8230; quelle est votre priorit\u00e9 ?<\/a><\/li>\n\n\n\n<li><a href=\"#O\u00f9-allez-vous-dormir-?\">Allez-vous dormir \u00e0 la belle \u00e9toile, sous tente, ou dans un refuge non-gard\u00e9 ?<\/a><\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Sac-couchage-sir-jospeh-koteka-500-11-Version-2.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Sac-couchage-sir-jospeh-koteka-500-11-Version-2.jpg\" alt=\"Bivouac hivernal, bien au chaud dans son sac de couchage.\" class=\"wp-image-11477\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Sac-couchage-sir-jospeh-koteka-500-11-Version-2.jpg 1280w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Sac-couchage-sir-jospeh-koteka-500-11-Version-2-300x169.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Sac-couchage-sir-jospeh-koteka-500-11-Version-2-1024x576.jpg 1024w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/a><figcaption class=\"wp-element-caption\">Photo : Team Montania, Massif du Beaufortain.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Quelle-est-votre-destination\">1- Quelle est votre destination ? <\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Sac de couchage synth\u00e9tique \u00e0 privil\u00e9gier en climat humide<\/h3>\n\n\n\n<p>Choisissez un sac de couchage avec un <strong>garnissage en fibres synth\u00e9tiques<\/strong> si vous risquez de rencontrer r\u00e9guli\u00e8rement des temps tr\u00e8s humides (montagnes humides d&rsquo;Islande, d&rsquo;\u00c9cosse, ou de Patagonie, etc.). <\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Avantages<\/td><td>Inconv\u00e9nients<\/td><\/tr><tr><td>Tr\u00e8s bonne gestion de l&rsquo;humidit\u00e9 int\u00e9rieure et ext\u00e9rieure, isole m\u00eame mouill\u00e9. <br \/>S\u00e9chage et nettoyage facile.<br \/>Bon march\u00e9.<\/td><td>Plus gros volume pli\u00e9 et poids plus important.<br \/>Mauvaise compressibilit\u00e9.<br \/>Perte de gonflant dans le temps.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular\"><div class=\"tiled-gallery__gallery\"><div class=\"tiled-gallery__row\"><div class=\"tiled-gallery__col\" style=\"flex-basis:49.86481%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1700\" data-id=\"28549\" data-link=\"https:\/\/www.montania-sport.com\/blog\/_pml7299_mod\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg\" data-width=\"2560\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/PML7299_MOD-scaled.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1707\" data-id=\"28548\" data-link=\"https:\/\/www.montania-sport.com\/blog\/seatosummit-sleepsystems-ryanmusiello-westernaustralia-18\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg\" data-width=\"2560\" src=\"https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SeaToSummit-SleepSystems-RyanMusiello-WesternAustralia-18-scaled.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><div class=\"tiled-gallery__col\" style=\"flex-basis:50.13519%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG202208051535441-1.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG202208051535441-1.jpg?strip=info&#038;w=900&#038;ssl=1 900w\" alt=\"\" data-height=\"1200\" data-id=\"28550\" data-link=\"https:\/\/www.montania-sport.com\/blog\/oppo_0-15\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG202208051535441-1.jpg\" data-width=\"900\" src=\"https:\/\/i0.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG202208051535441-1.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Le garnissage en plumes, plus efficace lorsque le climat est sec<\/h3>\n\n\n\n<p>Choisissez un sac de couchage avec un <strong>garnissage en plume d&rsquo;oie\/de canard<\/strong> pour des destinations s\u00e8ches ou avec climat continental (montagnes des Alpes, Pyr\u00e9n\u00e9es, Himalaya, Caucase, Patagonie par temps sec, etc.)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Avantages<\/td><td>Inconv\u00e9nients<\/td><\/tr><tr><td>Tr\u00e8s compressible<br \/>tr\u00e8s l\u00e9ger<br \/>fort pouvoir d&rsquo;isolation<br \/>Longue dur\u00e9e de vie<\/td><td>Entretien plus d\u00e9licat<br \/>n&rsquo;appr\u00e9cie pas l&rsquo;humidit\u00e9, qui lui fait perdre rapidement ses qualit\u00e9s d&rsquo;isolation<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular\"><div class=\"tiled-gallery__gallery\"><div class=\"tiled-gallery__row\"><div class=\"tiled-gallery__col\" style=\"flex-basis:66.10271%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_2587-2-2.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_2587-2-2.jpg?strip=info&#038;w=640&#038;ssl=1 640w\" alt=\"\" data-height=\"426\" data-id=\"28553\" data-link=\"https:\/\/www.montania-sport.com\/blog\/img_2587-2-2\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_2587-2-2.jpg\" data-width=\"640\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_2587-2-2.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><div class=\"tiled-gallery__col\" style=\"flex-basis:33.89729%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_1919.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_1919.jpg?strip=info&#038;w=640&#038;ssl=1 640w\" alt=\"\" data-height=\"426\" data-id=\"28552\" data-link=\"https:\/\/www.montania-sport.com\/blog\/img_1919\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_1919.jpg\" data-width=\"640\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/IMG_1919.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1280\" data-id=\"28551\" data-link=\"https:\/\/www.montania-sport.com\/blog\/13268271_1037660442955597_5007214269464478556_o\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg\" data-width=\"2048\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Am\u00e9liorations et \u00e9volutions sur le sac de couchage<\/h3>\n\n\n\n<p>Ces derni\u00e8res ann\u00e9es, les fabricants ont tent\u00e9 d&rsquo;endiguer les probl\u00e9matiques de ces 2 types de sacs de couchage en cherchant \u00e0 all\u00e9ger les sacs en fibres synth\u00e9tiques, et \u00e0 imperm\u00e9abiliser les sacs en plumes sans r\u00e9duire leurs qualit\u00e9s.<\/p>\n\n\n\n<p>Ainsi, Mammut a travaill\u00e9 sur un sac de couchage en plumes avec sursac imperm\u00e9able int\u00e9gr\u00e9, Sea to Summit a trouv\u00e9 des solutions en mixant fibres synth\u00e9tiques en surface et plumes en profondeur, Mountain Hardwear a travaill\u00e9 sur une imperm\u00e9abilisation du duvet par des traitements hydrophobiques avant m\u00eame le garnissage du duvet.<\/p>\n\n\n\n<p>Il faut savoir qu&rsquo;aujourd&rsquo;hui tous les <strong>sacs de couchage<\/strong> <strong>en duvet<\/strong> d&rsquo;oie ou de canard, et de <strong>bonne qualit\u00e9<\/strong>, b\u00e9n\u00e9ficient d&rsquo;un <strong>traitement imperm\u00e9abilisant DWR<\/strong> au niveau des <strong>plumes<\/strong>, et au niveau du <strong>tissu ext\u00e9rieur<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Quand-partez-vous-?\"><strong>Quand allez vous utiliser ce sac de couchage ?<\/strong> <\/h2>\n\n\n\n<p>Au printemps dans le Mercantour ? <strong>En \u00e9t\u00e9 au bord de l&rsquo;Atlantique ? Sur les 3 saisons \u00e0 2000m d&rsquo;altitude au bord des lacs de Montagne ? En hiver dans les cabanes du Jura ? Lors d&rsquo;un Trekking au Camp de Base de l&rsquo;Everest ? Autant de possibilit\u00e9 d&rsquo;usage d&rsquo;un sac de couchage&#8230; Commen\u00e7ons par d\u00e9finir la norme de temp\u00e9rature d&rsquo;un sac de couchage :<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La norme EN13567 du sac de couchage<\/h3>\n\n\n\n<p>Le choix de la temp\u00e9rature est en effet d\u00e9terminant dans le choix de son sac de couchage.&nbsp;Depuis 2005, une norme tente d&rsquo;\u00e9tablir des fondamentaux pour comparer les temp\u00e9ratures des sacs : c&rsquo;est la norme <strong>EN 13537<\/strong>.<\/p>\n\n\n\n<p>Ces mesures sont effectu\u00e9es en <strong>laboratoire<\/strong> sur un <strong>mannequin thermique<\/strong>.<strong> <\/strong>Elles<strong> <\/strong>permettent de comparer les r\u00e9sultats d\u2019un mod\u00e8le par rapport \u00e0 un autre, mais <strong>ne tiennent pas comptent des facteurs de conditions r\u00e9elles d\u2019utilisation<\/strong>, comme les conditions m\u00e9t\u00e9orologiques (vent, humidit\u00e9, altitude, etc.) ou l\u2019\u00e9tat physiologique de l\u2019individu (fatigue, \u00e9tat de sant\u00e9, etc.).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-scaled.jpg\"><img decoding=\"async\" width=\"1024\" height=\"318\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-1024x318.jpg\" alt=\"Norme EN-13537 (attention, le chiffre en haut \u00e0 gauche est en farenheit)\" class=\"wp-image-20835\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-1024x318.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-300x93.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-768x239.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-1536x477.jpg 1536w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Indications-duvet1-2048x636.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Norme EN-13537 (attention, les chiffres du haut sont en \u00b0 farenheit<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Lire les temp\u00e9ratures indiqu\u00e9es sur un sac de couchage<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>La temp\u00e9rature de confort (dans notre exemple : -12\u00b0C)<em><br \/><\/em><\/strong>Limite inf\u00e9rieure de confort \u00e0 laquelle l\u2019utilisateur du sac de couchage en <strong>posture d\u00e9tendue<\/strong>, par exemple \u00e9tendu sur le dos, est globalement en \u00e9quilibre thermique, et n\u2019a ni froid ni chaud&nbsp;(d\u00e9termin\u00e9e pour une <strong>femme<\/strong> standard et dans des conditions normales d\u2019utilisation).<\/li>\n\n\n\n<li>T<strong>emp\u00e9rature limite&nbsp;&nbsp;(dans notre exemple : -20,8\u00b0C)<br \/><\/strong>Temp\u00e9rature limite \u00e0 laquelle l\u2019utilisateur du sac de couchage <strong>recroquevill\u00e9<\/strong> est globalement en \u00e9quilibre thermique et n\u2019a ni froid ni chaud (d\u00e9termin\u00e9e pour un <strong>homme<\/strong> standard et dans des conditions normales d\u2019utilisation).<\/li>\n\n\n\n<li><strong>La<\/strong> <strong>temp\u00e9rature extr\u00eame (dans notre exemple : -42,9\u00b0C)<br \/><\/strong>Temp\u00e9rature extr\u00eame inf\u00e9rieure \u00e0 laquelle se produit un pr\u00e9judice pour la sant\u00e9 par hypothermie (d<span style=\"line-height: 1.5;\">\u00e9termin\u00e9e pour une femme standard et dans des conditions normales d\u2019utilisation).<\/span><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pour conclure sur les temp\u00e9ratures<\/h3>\n\n\n\n<p>Il est important de bien de tenir compte de l&rsquo;information qui nous int\u00e9resse. Nous vous rappelons que <strong>la temp\u00e9rature extr\u00eame ne donne qu&rsquo;une id\u00e9e de la temp\u00e9rature de survie d\u00e9j\u00e0 en hypothermie<\/strong>. Elle ne doit donc pas d\u00e9terminer votre choix concernant un sac de couchage.<\/p>\n\n\n\n<p>On sera en g\u00e9n\u00e9ral attentif aux temp\u00e9ratures confort femme ou limite confort homme. Les femmes vont prendre en compte la temp\u00e9rature \u00ab\u00a0confort\u00a0\u00bb, tandis que les hommes la temp\u00e9rature \u00ab\u00a0limite confort\u00a0\u00bb. <\/p>\n\n\n\n<p>Bien entendu, d&rsquo;autres facteurs sont \u00e0 prendre en compte. Nous avons chacun une sensibilit\u00e9 diff\u00e9rente au froid. De plus, la diff\u00e9rence de morphologie va impacter notre ressenti au froid. Ainsi, les petits gabarits produiront g\u00e9n\u00e9ralement moins de chaleur dans le sac de couchage qu&rsquo;une personne de 90 kg.<\/p>\n\n\n\n<div class=\"wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular\"><div class=\"tiled-gallery__gallery\"><div class=\"tiled-gallery__row\"><div class=\"tiled-gallery__col\" style=\"flex-basis:47.06183%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?strip=info&#038;w=1709&#038;ssl=1 1709w\" alt=\"\" data-height=\"2560\" data-id=\"28642\" data-link=\"https:\/\/www.montania-sport.com\/blog\/0824-spataromarco\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg\" data-width=\"1709\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/0824-SPATAROMARCO-scaled.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><div class=\"tiled-gallery__col\" style=\"flex-basis:52.93817%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1310\" data-id=\"28644\" data-link=\"https:\/\/www.montania-sport.com\/blog\/241106594_10157833289291046_1411794481662739904_n\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg\" data-width=\"2000\" src=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/241106594_10157833289291046_1411794481662739904_n.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1333\" data-id=\"28645\" data-link=\"https:\/\/www.montania-sport.com\/blog\/federicoravassard-altavia-0396ferrino\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396\u00a9ferrino.jpg\" data-width=\"2000\" src=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/FedericoRavassard-Altavia-0396%C2%A9ferrino.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<p>Pour am\u00e9liorer son confort en cas de froid, il existe plusieurs astuces. On peut par exemple dormir dans son sac de couchage avec un sous-v\u00eatement en m\u00e9rino, \u00e0 la fois chaud et respirant. De plus, il existe des draps de sac en Thermolite\u00ae qui permettent d&rsquo;augmenter consid\u00e9rablement la temp\u00e9rature de son sac de couchage (+8\u00b0C \/ +11\u00b0C \/+15\u00b0C).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Chaleur-poids-ou-volume-?\">Chaleur, poids, volume&#8230; <strong>quelles sont vos priorit\u00e9s ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Bien identifier son besoin<\/h3>\n\n\n\n<p>Si vous voyagez en 4&#215;4 ou que vous pouvez utiliser d&rsquo;autres moyens de portage (lamas, mules, yaks, ou porteurs), privil\u00e9giez avant tout votre confort, la largeur de votre sac de couchage et votre bien-\u00eatre.<br \/>Une bonne nuit de r\u00e9cup\u00e9ration est en effet tr\u00e8s importante lors de circuits itin\u00e9rants ou de trekkings.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino.jpg\"><img decoding=\"async\" width=\"1024\" height=\"517\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino-1024x517.jpg\" alt=\"Sac-de-couchage. Pillow Lab-\u00a9Ferrino\" class=\"wp-image-28554\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino-1024x517.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino-300x151.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino-768x387.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino-1536x775.jpg 1536w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Sac-de-couchage.-Pillow-Lab-\u00a9Ferrino.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Par contre, si vous avez besoin de voyager l\u00e9ger, en autonomie avec un petit sac, soyez tr\u00e8s vigilant quant au volume et au poids du sac pli\u00e9 dans sa housse de compression. Votre choix se portera tr\u00e8s certainement vers un sac en plumes (si vous n&rsquo;y \u00eates pas allergique bien s\u00fbr !). Dans ce cas, il vous faudra comparer les taux d&rsquo;isolation des sacs, appel\u00e9s \u00ab\u00a0Fill Power\u00a0\u00bb, ainsi que les proportions \u00ab\u00a0duvet\/plumettes\u00a0\u00bb pour trouver le sac le plus isolant, le plus compressible et le plus l\u00e9ger possible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Le Fill Power ou Garnissage<\/strong> en CUIN d&rsquo;un sac de couchage<\/h3>\n\n\n\n<p>Il permet de comparer le pouvoir d&rsquo;isolation des plumes utilis\u00e9es dans le garnissage des sacs de couchage. En partant du fait que le meilleur isolant est l\u2019air, il suffit alors de calculer le gonflant de telle qualit\u00e9 de plume. L\u2019op\u00e9ration consiste \u00e0 prendre un m\u00eame poids de plume (456 g\/1 once) et de voir quel volume il occupe en cubic inch (CUIN) = pouce cubique. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-scaled.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-1024x683.jpg\" alt=\"les sacs les plus chauds sont le plus souvent garnis de duvets d'oie\" class=\"wp-image-20680\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-1024x683.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-300x200.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-768x512.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-1536x1024.jpg 1536w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Duvet-doie-2048x1365.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Plus le volume sera \u00e9lev\u00e9, plus le pouvoir isolant de la plume sera \u00e9lev\u00e9. Les valeurs se situent actuellement entre 500 et 850 CUIN. <\/p>\n\n\n\n<p><em>Exemple : Un sac avec 500g de garnissage de plumes d&rsquo;un Fill Power 600 CUIN sera mois isolant et moins compressible qu&rsquo;un sac avec 500g de garnissage de plumes de 800 CUIN.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>La proportion duvet\/plumettes<\/strong><\/h3>\n\n\n\n<p>Il existe des diff\u00e9rences importantes de qualit\u00e9 d&rsquo;isolation et de compressibilit\u00e9 en fonction des proportions de duvet et de plumettes utilis\u00e9es dans le garnissage des sacs de couchage. Cette valeur ou indice s&rsquo;exprime en %.<br \/>On trouve ainsi des sacs de couchage avec un garnissage 85%-15%, 90%-10%, 95%-5% et m\u00eame 96%-4%, qui est le meilleur taux vu \u00e0 ce jour. Les plumes d&rsquo;oie sont \u00e9galement plus isolantes que celles de canard. On peut m\u00eame supposer que le duvet d&rsquo;une oie \u00e9lev\u00e9e au Portugal sera moins isolante que celle d&rsquo;une oie \u00e9lev\u00e9e en Hongrie ou en Pologne ;-)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Faut-il que votre sac de couchage soit jumelable ?<\/strong><\/h3>\n\n\n\n<p>Il est tr\u00e8s agr\u00e9able de pouvoir jumeler ses sacs de couchage par temps cl\u00e9ment, en \u00e9t\u00e9. Par contre un jumelage par temps tr\u00e8s froid ne vous apportera que des courants d&rsquo;air froids et une belle nuit blanche ;-)<\/p>\n\n\n\n<p>En effet un sac jumel\u00e9 peut quasiment abriter 3 personnes et donc n\u00e9cessite de chauffer un volume d&rsquo;air plus important. \u00c0 noter qu&rsquo;il est fortement d\u00e9conseill\u00e9 de jumeler ses sacs par temp\u00e9ratures n\u00e9gatives.&nbsp;Il est par contre tr\u00e8s agr\u00e9able de pouvoir ouvrir son sac en entier comme une couette pour les nuits plus chaudes.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Bivouac-2.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Bivouac-2.jpg\" alt=\"Bivouac 2\" class=\"wp-image-11516\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Bivouac-2.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Bivouac-2-300x225.jpg 300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Marie lors d&rsquo;un bivouac sous tente en Chartreuse.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"O\u00f9-allez-vous-dormir-?\"><strong>Dormirez vous en refuge, sous la tente ou \u00e0 la belle \u00e9toile ?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">En refuge ou cabane<\/h3>\n\n\n\n<p>En refuge non-gard\u00e9 ou dans un abri, s&rsquo;il y a un po\u00eale la temp\u00e9rature sera toujours positive. S&rsquo;il n&rsquo;y a pas de syst\u00e8me de chauffage, selon la saison \u00e9videmment, il est possible de conserver une temp\u00e9rature proche de 0\u00b0, m\u00eame en hiver. <\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o-1024x576.jpg\" alt=\"Sacs de couchage Sir Joseph en refuge\" class=\"wp-image-28563\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o-1024x576.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o-300x169.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o-768x432.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o-1536x863.jpg 1536w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/SJO-21762480_1468010449920592_1670316434116554851_o.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Sous tente<\/h3>\n\n\n\n<p>Sous tente, la temp\u00e9rature (plus haute que la temp\u00e9rature ext\u00e9rieure car oui, 2 personnes sous une tente d\u00e9gagent pas mal de chaleur) peut descendre assez bas pendant la nuit, aussi bien en montagne que dans un d\u00e9sert. Renseignez-vous aupr\u00e8s de voyageurs et de trekkeurs \u00e0 leur retour.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-0 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-sac-de-couchage\/13268271_1037660442955597_5007214269464478556_o-1\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" data-id=\"28559\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1-1024x640.jpg\" alt=\"\" class=\"wp-image-28559\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1-1024x640.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1-300x188.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1-768x480.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1-1536x960.jpg 1536w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/13268271_1037660442955597_5007214269464478556_o-1.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p>Selon votre destination dans les Alpes ou en Europe, les sacs 0\u00b0C \/-5\u00b0C peuvent suffire. <\/p>\n\n\n\n<p>Au N\u00e9pal ou au P\u00e9rou, et pour la plupart des trekkings d&rsquo;altitude, pr\u00e9voyez un sac de couchage -5\u00b0C confort ou -10\u00b0C limite confort. <\/p>\n\n\n\n<div class=\"wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular\"><div class=\"tiled-gallery__gallery\"><div class=\"tiled-gallery__row\"><div class=\"tiled-gallery__col\" style=\"flex-basis:69.17215%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=1800&#038;ssl=1 1800w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?strip=info&#038;w=2000&#038;ssl=1 2000w\" alt=\"\" data-height=\"1707\" data-id=\"28562\" data-link=\"https:\/\/www.montania-sport.com\/blog\/dscf1534\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg\" data-width=\"2560\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1534-scaled.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><div class=\"tiled-gallery__col\" style=\"flex-basis:30.82785%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?strip=info&#038;w=1500&#038;ssl=1 1500w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?strip=info&#038;w=1707&#038;ssl=1 1707w\" alt=\"\" data-height=\"2560\" data-id=\"28561\" data-link=\"https:\/\/www.montania-sport.com\/blog\/dscf1013\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg\" data-width=\"1707\" src=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/DSCF1013-scaled.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<p>Si vous pr\u00e9voyez de bivouaquer \u00e0 la belle \u00e9toile ou sous tente avec vos enfants, il existe \u00e9galement des sacs de couchage enfant r\u00e9glable de 125cm \u00e0 145cm soit en duvet plume soit en garnissage synth\u00e9tique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">En exp\u00e9dition ou par grand froid<\/h3>\n\n\n\n<p>Pour les exp\u00e9s himalayennes ou les travers\u00e9es au Grand Nord, il faudra pr\u00e9voir un sac de couchage GRAND FROID -10\u00b0C confort \/ -20\u00b0 etc&#8230; <br \/>Si vous dormez \u00e0 m\u00eame la neige (sans tente mais sur un matelas isolant bien entendu), vous pourrez opter pour un sac de couchage imperm\u00e9able comme les LOOPING de Sirjoseph ou ajoutez un sursac imperm\u00e9able pour ne pas le mouiller.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/034J0891.jpeg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/034J0891.jpeg\" alt=\"\" class=\"wp-image-11518\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/034J0891.jpeg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/034J0891-300x200.jpeg 300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">Loic Lechelle teste un sac de couchage Sir Joseph Looping 1200 en Laponie. Temp\u00e9rature : -22\u00b0C.<\/figcaption><\/figure>\n\n\n\n<p>Vous voulez avoir chaud dans toutes les situations ? Amateur de bivouac 4 saisons, par grand froid ou \u00e0 m\u00eame la neige ? <br \/>> <a href=\"https:\/\/www.montania-sport.com\/blog\/quel-sac-de-couchage-grand-froid-pour-resister-a-l-hiver\/\" target=\"_blank\" rel=\"noreferrer noopener\">Retrouvez ici notre dossier sp\u00e9cial sur les sacs de couchage grand froid !<\/a> &lt;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nos astuces compl\u00e9mentaires pour un bivouac confortable<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Contre le froid<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Le matelas isolant<\/h4>\n\n\n\n<p>Dans tous les cas, pensez toujours \u00e0 la qualit\u00e9 d&rsquo;isolation de votre matelas car m\u00eame le meilleur sac de couchage du march\u00e9 pos\u00e9 \u00e0 m\u00eame le sol vous fera passer une nuit compliqu\u00e9e \u00e0 cause des ponts thermiques. Par temps vraiment froid, n&rsquo;h\u00e9sitez pas \u00e0 opter pour un matelas&nbsp;gonflable isolant et confortable.<\/p>\n\n\n\n<p>Un bon matelas garantit une isolation parfaite au sol. D\u00e9sormais les fabricants affichent un indice d&rsquo;isolation appel\u00e9 <a href=\"https:\/\/www.montania-sport.com\/blog\/r-value-2020-norme-astm-f3340-18-des-matelas\/\" target=\"_blank\" rel=\"noreferrer noopener\">R-Value d\u00e9fini par la norme en 2020 ASTM F3340-18<\/a> et \u00e9galement parfois des temp\u00e9ratures d&rsquo;utilisation \/ d&rsquo;usage des matelas. Cela offre la possibilit\u00e9 de choisir un matelas pour la randonn\u00e9e l\u00e9g\u00e8re en \u00e9t\u00e9 ou au contraire tr\u00e8s chaud et isolant pour dormir sur la neige.<a href=\"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-matelas-de-bivouac\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Lire ici notre article sur Comment choisir son matelas de bivouac ?<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Matelas-NeoAir-XLite-Womens_1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"599\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Matelas-NeoAir-XLite-Womens_1.jpg\" alt=\"Matelas-NeoAir-XLite-Womens_1\" class=\"wp-image-11640\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Matelas-NeoAir-XLite-Womens_1.jpg 800w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Matelas-NeoAir-XLite-Womens_1-300x225.jpg 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Le bonnet<\/h4>\n\n\n\n<p>Pendant la nuit, nous perdons 30% de notre chaleur corporelle par la t\u00eate. L&rsquo;utilisation d&rsquo;un bonnet polaire durant un bivouac dans un sac de couchage prend alors tout son sens.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Le drap de sac<\/h4>\n\n\n\n<p><a href=\"https:\/\/www.montania-sport.com\/7141-drap-de-sac-sac-a-viande\" target=\"_blank\" rel=\"noreferrer noopener\">Un drap thermique type Soie, Laine M\u00e9rino, Thermolite<\/a>, permettra de gagner de +5\u00b0C \u00e0 +9\u00b0C \u00e0 son sac de couchage. On dit souvent en magasin \u00e0 nos clients qu&rsquo;il permet de transformer une temp\u00e9rature limite confort en temp\u00e9rature de confort. De plus, il cr\u00e9e une bulle de chaleur pr\u00e8s du corps tr\u00e8s agr\u00e9able et permet de prot\u00e9ger le sac de la transpiration, cr\u00e8me solaire etc\u2026 Il facilite ainsi l&rsquo;entretien, l&rsquo;hygi\u00e8ne et le lavage de son sac de couchage \u00ab\u00a0grand froid\u00a0\u00bb.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Deap-de-sac-cocoon.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"324\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Deap-de-sac-cocoon.jpg\" alt=\"Drap de sac Cocoon\" class=\"wp-image-20633\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Deap-de-sac-cocoon.jpg 735w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2021\/09\/Deap-de-sac-cocoon-300x132.jpg 300w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/a><figcaption class=\"wp-element-caption\">Drap de sac Cocoon<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Contre l&rsquo;humidit\u00e9<\/h3>\n\n\n\n<p>Si vous pr\u00e9f\u00e9rez vous passer de tente et dormir \u00e0 m\u00eame le sol (sur un matelas), pensez \u00e9galement \u00e0 prot\u00e9ger votre sac de couchage \u00e0 l&rsquo;aide d&rsquo;un <a href=\"https:\/\/www.montania-sport.com\/7142-sursac-impermeable\" target=\"_blank\" rel=\"noreferrer noopener\">sursac imperm\u00e9able, comme les mod\u00e8les K4 ou K2 chez Sir Joseph<\/a>. Ainsi votre sac sera prot\u00e9g\u00e9 de la terre, de l&rsquo;herbe et de la ros\u00e9e du matin.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/7142-sursac-impermeable\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"735\" height=\"443\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/sursac-impermeable-k2-sirjoseph.jpg\" alt=\"sursac impermeable k2 sirjoseph\" class=\"wp-image-28609\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/sursac-impermeable-k2-sirjoseph.jpg 735w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/sursac-impermeable-k2-sirjoseph-300x181.jpg 300w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/a><figcaption class=\"wp-element-caption\">sursac impermeable k2 sirjoseph<\/figcaption><\/figure>\n\n\n\n<p>Enfin, un bon compromis lors de conditions cl\u00e9mentes est l&rsquo;utilisation d&rsquo;un \u00ab\u00a0tarp\u00a0\u00bb. Il s&rsquo;agit d&rsquo;une b\u00e2che imperm\u00e9able que l&rsquo;on suspend au-dessus de sa couche gr\u00e2ce \u00e0 ses b\u00e2tons t\u00e9lescopiques. Ainsi, vous \u00eates \u00e0 l&rsquo;abri de l&rsquo;humidit\u00e9 li\u00e9e \u00e0 la condensation tout en profitant des \u00e9toiles et d&rsquo;une excellente respirabilit\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-jetpack-tiled-gallery aligncenter is-style-rectangular\"><div class=\"tiled-gallery__gallery\"><div class=\"tiled-gallery__row\"><div class=\"tiled-gallery__col\" style=\"flex-basis:69.70162%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Tarp-randonnee.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Tarp-randonnee.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Tarp-randonnee.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w\" alt=\"\" data-height=\"900\" data-id=\"11538\" data-link=\"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-sac-de-couchage\/tarp-randonnee\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Tarp-randonnee.jpg\" data-width=\"1200\" src=\"https:\/\/i1.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/Tarp-randonnee.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><div class=\"tiled-gallery__col\" style=\"flex-basis:30.29838%\"><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2015\/03\/Tarp.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2015\/03\/Tarp.jpg?strip=info&#038;w=900&#038;ssl=1 900w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2015\/03\/Tarp.jpg?strip=info&#038;w=1200&#038;ssl=1 1200w\" alt=\"\" data-height=\"900\" data-id=\"10983\" data-link=\"https:\/\/www.montania-sport.com\/blog\/sac-de-couchage-pied-d-elephant-sir-joseph\/tarp\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2015\/03\/Tarp.jpg\" data-width=\"1200\" src=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2015\/03\/Tarp.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><figure class=\"tiled-gallery__item\"><img decoding=\"async\" srcset=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/VICTOR.jpg?strip=info&#038;w=600&#038;ssl=1 600w,https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/VICTOR.jpg?strip=info&#038;w=800&#038;ssl=1 800w\" alt=\"\" data-height=\"775\" data-id=\"1203\" data-link=\"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-sac-de-couchage\/victor\/\" data-url=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/VICTOR.jpg\" data-width=\"800\" src=\"https:\/\/i2.wp.com\/www.montania-sport.com\/blog\/wp-content\/uploads\/2013\/05\/VICTOR.jpg?ssl=1\" data-amp-layout=\"responsive\"\/><\/figure><\/div><\/div><\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><a href=\"https:\/\/www.montania-sport.com\/7085-sac-de-couchage\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Espace-bivouac-1024x576.jpg\" alt=\"Espace bivouac Montania\" class=\"wp-image-28555\" srcset=\"https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Espace-bivouac-1024x576.jpg 1024w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Espace-bivouac-300x169.jpg 300w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Espace-bivouac-768x432.jpg 768w, https:\/\/www.montania-sport.com\/blog\/wp-content\/uploads\/2022\/09\/Espace-bivouac.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p>Retrouvez l&rsquo;ensemble de notre gamme de sacs de couchage dans notre magasin de Chamb\u00e9ry (Savoie-73) ou sur notre site via le lien suivant : <br \/><a href=\"https:\/\/www.montania-sport.com\/7618-sac-de-couchage\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.montania-sport.com\/7618-sac-de-couchage<\/a><\/p>\n\n\n\n<p>Merci de votre lecture,<\/p>\n\n\n\n<p>C\u00e9dric<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comment faire le meilleur choix de sac de couchage face \u00e0 l&rsquo;\u00e9tendue de l&rsquo;offre actuelle sur le march\u00e9 de l&rsquo;outdoor ? Pour vous y aider, nous avons pr\u00e9par\u00e9 ce dossier sp\u00e9cial sac de couchage. Vous trouverez ici toutes les cl\u00e9s pour choisir le sac de couchage id\u00e9al de vos prochaines aventures \u00e0 pied, en v\u00e9lo, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.montania-sport.com\/blog\/comment-choisir-son-sac-de-couchage\/\"> <span class=\"screen-reader-text\">Comment choisir un sac de couchage ?<\/span> Lire la suite\u00a0\u00bb<\/a><\/p>\n","protected":false},"author":2,"featured_media":28617,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[763,755,766,805],"class_list":["post-1132","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-fiches-conseils-montania","tag-bivouac","tag-randonnee","tag-sac-de-couchage","tag-test"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment choisir son sac de couchage ?<\/title>\n<meta name=\"description\" content=\"Dossier sp\u00e9cial sac de couchage : temp\u00e9ratures, destination, garnissage, type de duvet, norme... 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