{"title":"Sleeping Bag Liner | Cold Weather Liners","description":"\u003cp\u003eReactor Liners are made with hollow core fibers that trap heat and offer extraordinary insulating properties.\u003c\/p\u003e","products":[{"product_id":"reactor-lightweight-liner","title":"Reactor Lightweight Sleeping Bag Liner","description":"\u003cp\u003eOptimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions. Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.\u003c\/p\u003e\n\u003ch2 class=\"h3_style\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight and insulative, Thermolite® Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size\u003c\/li\u003e\n\u003cli\u003eFreedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep\u003c\/li\u003e\n\u003cli\u003eTechnical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk\u003c\/li\u003e\n\u003cli\u003eFits any sleeping bag - Stretch fabric means the Reactor Liner fits any shape of sleeping bag\u003c\/li\u003e\n\u003cli\u003eStay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use\u003c\/li\u003e\n\u003cli\u003eSleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit\u003c\/li\u003e\n\u003cli\u003eEasy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time\u003c\/li\u003e\n\u003cli\u003eLower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Short","offer_id":45692602417325,"sku":"053201","price":64.95,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":45692602450093,"sku":"053202","price":69.95,"currency_code":"USD","in_stock":true},{"title":"Long","offer_id":45692602482861,"sku":"053203","price":74.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/053201_ReactorLightweightSleepingBagLiner_Short-Mummy_Pewter_PRIMARY_1500.jpg?v=1769644522"},{"product_id":"reactor-fleeceweight-liner","title":"Reactor Fleeceweight Sleeping Bag Liner","description":"\u003cp\u003eBoost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan.\u003c\/p\u003e\n\u003ch2 class=\"h3_style\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight\u003c\/li\u003e\n\u003cli\u003eFreedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep\u003c\/li\u003e\n\u003cli\u003eTechnical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk\u003c\/li\u003e\n\u003cli\u003eStay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use\u003c\/li\u003e\n\u003cli\u003eSleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit\u003c\/li\u003e\n\u003cli\u003eEasy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time\u003c\/li\u003e\n\u003cli\u003eLower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact\u003c\/li\u003e\n\u003cli\u003eCan be used on its own as a lightweight sleeping bag in warm-weather conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Short","offer_id":45692605530285,"sku":"053401","price":84.95,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":45692605563053,"sku":"053402","price":89.95,"currency_code":"USD","in_stock":true},{"title":"Long","offer_id":45692605595821,"sku":"053403","price":94.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/053401_ReactorFleeceweightSleepingBagLiner_Short-Mummy_Picante_PRIMARY_1500.jpg?v=1769644508"},{"product_id":"reactor-midweight-liner","title":"Reactor Midweight Sleeping Bag Liner","description":"\u003cp\u003eThe Reactor Midweight enhances your sleep system with advanced Thermolite® Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibers trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings allow unrestricted sleep, making it a great fit for any shape sleeping bag. Quick-drying and easy to clean, it features HeiQ Fresh odor control and helps extend your sleeping bag’s lifespan by reducing wash frequency.\u003c\/p\u003e\n\u003ch2 class=\"h3_style\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoosts Sleep System Warmth – Thermolite® Pro uses Far Infrared technology and hollow-core fibers to trap and reflect body heat without extra bulk\u003c\/li\u003e\n\u003cli\u003eFreedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep\u003c\/li\u003e\n\u003cli\u003eTechnical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk\u003c\/li\u003e\n\u003cli\u003eStay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use\u003c\/li\u003e\n\u003cli\u003eSleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit\u003c\/li\u003e\n\u003cli\u003eEasy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time\u003c\/li\u003e\n\u003cli\u003eLower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Short","offer_id":45692605792429,"sku":"053301","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":45692605825197,"sku":"053302","price":79.95,"currency_code":"USD","in_stock":true},{"title":"Long","offer_id":45692605857965,"sku":"053303","price":84.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/053301_ReactorMidweightSleepingBagLiner_ShortMummy_Beluga_PRIMARY_1500.jpg?v=1769644520"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/collections\/Mountaineering___Outdoor_Essentials_a9e1ff11-1f45-4944-881c-970c69cb4f44.jpg?v=1522167920","url":"https:\/\/myseatosummirush.com\/collections\/cold-weather-sleeping-bag-liner.oembed","provider":"Sea to Summit North America","version":"1.0","type":"link"}