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For my purpose, this was a much better option vs. buying a warmer sleeping bag. My only complaint is the opening at the bottom. Seriously, who needs that? I certainly have no interest in walking around camp in my sleeping bag liner. There are better ways to keep warm when not in my tent. The opening with the drawcord just adds unnecessary weight, cost and an opening for a draft. 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Comfortable fabric. I am pleased with the results. 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I am always cold, but this liner really warmed up the bag and made it toasty. Waking up to -3 celsius in the morning, I didn't want to get up because it was so nice inside my bag, liner and tent. \nFor me, I will get down booties though as my feet are never warm. \nHighly recommended and it is light and packs small.","textLength":411,"csFlag":false,"inappropriateFlag":false,"reviewedFlag":false,"autoModerated":false,"published":true,"incentivized":true,"upVotes":0,"downVotes":0,"orderId":null,"dimensions":[],"responses":[],"tags":[],"media":{"photo":[],"video":[],"audio":[]},"user":{"nickName":"Angela S.","firstName":null,"lastName":null,"emailAddress":null,"externalId":null,"city":null,"state":null,"country":null,"ageRange":null,"badge":null,"shopperProfiles":[]},"reviewedDate":null,"purchaseDate":null,"dateCreated":"2024-10-01T00:00:00-04:00","customData":[],"incentiveType":null,"campaign":null,"deviceFingerprint":null,"topics":[],"syndication":{"sourceName":"seatosummit.com","siteUrl":"https://seatosummitusa.com/","logoUrl":"https://images.turnto.com/site/syndicationlogos/2109_LH48.png"},"catalogItems":[{"sku":"11306-A3207","title":"Sea To Summit Reactor Extreme Sleeping Bag Liner","url":"https://www.scheels.com/p/11306-A3207","category":"sleeping-bag-liners","reviewCount":40,"ratingCount":40,"averageRating":4.8,"ratingBreakdown":{"1":0,"2":0,"3":1,"4":5,"5":34},"active":true,"attributes":[]}]},{"id":5190547,"locale":"en_US","rating":5,"title":"The perfect addition to my gear!","text":"Light weight and amazing warmth. I ordered this to add the additional warmth and my bag and it has exceeded my expectations!","textLength":124,"csFlag":false,"inappropriateFlag":false,"reviewedFlag":false,"autoModerated":false,"published":true,"incentivized":true,"upVotes":0,"downVotes":0,"orderId":null,"dimensions":[],"responses":[],"tags":[],"media":{"photo":[],"video":[],"audio":[]},"user":{"nickName":"Andrea D.","firstName":null,"lastName":null,"emailAddress":null,"externalId":null,"city":null,"state":null,"country":null,"ageRange":null,"badge":null,"shopperProfiles":[]},"reviewedDate":null,"purchaseDate":null,"dateCreated":"2024-08-16T00:00:00-04:00","customData":[],"incentiveType":null,"campaign":null,"deviceFingerprint":null,"topics":[],"syndication":{"sourceName":"seatosummit.com","siteUrl":"https://seatosummitusa.com/","logoUrl":"https://images.turnto.com/site/syndicationlogos/2109_LH48.png"},"catalogItems":[{"sku":"11306-A3207","title":"Sea To Summit Reactor Extreme Sleeping Bag Liner","url":"https://www.scheels.com/p/11306-A3207","category":"sleeping-bag-liners","reviewCount":40,"ratingCount":40,"averageRating":4.8,"ratingBreakdown":{"1":0,"2":0,"3":1,"4":5,"5":34},"active":true,"attributes":[]}]}],"offset":0,"limit":10,"total":40}"Full Description:\nAn essential component in your sleep system, the Reactor Extreme liner with Thermolite® Pro fabric utilizes innovative infra red-absorbing ceramic pigments to give your system the thermal boost needed in colder-weather adventures.<br><br>The soft, wicking stretch-knit fabric provides unmatched comfort and freedom of movement while still allowing the Reactor Extreme liner to fit any sleeping bag. Additionally, the drawcord footbox offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.\n\nFeatures:\n\u003cul>\n\u003cli>Sea to Summit Guarantee is offered for the Lifetime of this product\u003c/li>\n\u003cli>Thermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag and sleeping mat in the coldest of conditions\u003c/li>\n\u003cli>Thermolite® Pro technology using knitted, hollow-core fibers and infrared-absorbing ceramic pigments to reflect your body's heat back for enhanced warmth and comfort\u003c/li>\n\u003cli>Drawcord footbox and shoulder openings can be opened or closed for optimal comfort and integrates perfectly with the footbox of our Free-Flow Zip system in select Sea to Summit sleeping bags\u003c/li>\n\u003cli>HeiQ Fresh odor control technology helps keep the liner fresh even after extended use\u003c/li>\n\u003cli>Knitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>BEST USE: Thermal Boost\u003c/li>\n\u003cli>COMPACT WEIGHT: 12.6oz | 342g\u003c/li>\n\u003cli>COMPACT LENGTH: 78in | 198cm\u003c/li>\n\u003cli>COMPACT PACKED SIZE: 5.9 x 3.0 x 4.7in | 15 x 7.5 x 12cm\u003c/li>\n\u003cli>STANDARD LENGTH: 85in | 216cm\u003c/li>\n\u003cli>STANDARD WEIGHT: 12.8oz | 364g\u003c/li>\n\u003cli>STANDARD PACKED SIZE: 5.9 x 3.0 x 4.7in | 15 x 7.5 x 12cm\u003c/li>\n\u003c/ul>\n"