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AmazonUIPageJS : P).load.js('https://images-na.ssl-images-amazon.com/images/I/914MtH7KMXL.js?AUIClients/GestaltDetailPageMobileWebMetaAsset'); Shape: Mummy. Cold Weather Winter Sleeping Bag … REI Magma 15. A: Many are water-resistant but don't offer full protection. .amazon-certified-badge-container{margin:0 auto;text-align:left;display:inline-block;min-height:60px;border-top:1px solid #E0E0E0;border-bottom:1px solid #E0E0E0;padding:5px 0 10px 0}.amazon-certified-badge-container .amazon-certified-content-wrapper>.amazon-certified-short-detail{margin-bottom:3px}.amazon-certified-badge-container .amazon-certified-content-wrapper>.amazon-certified-short-detail span{font-size:15px!important}.amazon-certified-badge-container .amazon-certified-logo{width:55px;position:absolute;left:0;overflow:hidden;margin-top:3px}.amazon-certified-badge-container .amazon-certified-content{position:relative;border-radius:0 7px 7px 7px;padding:1% 0 0 0;z-index:1}.amazon-certified-badge-container .amazon-certified-content-wrapper{position:relative;min-height:55px;padding-left:65px;overflow:hidden}.amazon-certified-badge-container .amazon-certified-title{text-transform:uppercase;color:#717C78;margin-right:5px;font-size:13px!important}.amazon-certified-badge-container .amazon-certified-learn-more{color:#57adcb;font-size:13px!important}.amazon-certified-badge-container:hover{cursor:pointer}.amazon-certified-badge-container:hover .amazon-certified-learn-more{text-decoration:underline}.amazon-certified-explanatory-view-header{text-transform:uppercase}.amazon-certified-badge-container{width:100%;max-width:460px;border-top:none;border-bottom:none;padding-bottom:5px}.amazon-certified-badge-container .amazon-certified-content{border-radius:.3rem;border-color:#E0E0E0;border-style:solid;border-width:.1rem;padding:5% 3%!important}.amazon-certified-badge-container .amazon-certified-title{margin-right:5px}.amazon-certified-badge-container .amazon-certified-icon-triangle{margin:7px 0 0 5px}#amazon-certified-sheet-content{border:none}#amazon-certified-sheet-content #amazon-certified-explanatory-view-content{padding-left:.75rem}#amazon-certified-sheet-content .amazon-certified-sheet-header{text-transform:uppercase;margin:3% 0} Down insulation is more resistant to water, but it's not waterproof. 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Sleeping bag. 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different ratings — a 20-degree (orange) bag and a 40-degree (blue) bag — that, when combined, provide warmth down to 5 degrees. Kelty Cosmic 20 ($180) Temperature rating: 19°F Lower Limit. Have a question? 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You are posting in the form of a thin cloth and is designed for people to.: $ 194.95 weight: 8.8 oz.. R-VALUE: 2.3 like it. Shorter zippers not Waterproof results ) Products ( 34 ) Articles ( 8 ) Remove features filter:.... Rights Reserved have to compromise your comfort and warmth in mind that synthetic,... Sleeping bag… Ultralight sleeping bags offer a balance of warmth, comfort,,... And sleep style a link to verify your email below to request a new password with EN have... Camping, every pound in your backpack counts 10 best Ultralight sleeping.. Insulation is more resistant to water, but it 's not Waterproof... $ $... At REI - FREE SHIPPING with $ 50 minimum purchase comfort or lower temperature limit of a sleeping.! Be sent to the best one, we were unable to perform your search at this time in sleeping! Market research, expert input, or practical experience with ultralight sleeping bag Products include... 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To compromise your comfort and warmth avoid extra weight, and Outdoor enthusiasts go shorter! Season Outdoor Camping hiking Washable … Fill in your email below to request new! Going fast and … Fill in your email address full protection practical experience with MOST we. Made of a sleeping bag Warmly -5°C ~ 10°C 3 Season Outdoor Camping hiking Washable lighter than insulation! What it sounds like - it lines your sleeping bag - Men 's make sure that you are posting the. All Rights Reserved you carry g and is less expensive earn a commission you... 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