{"title":"Gear | Sleeping Bag Liners","description":"\u003cp\u003eA sleeping bag liner is the next-to-skin layer in your sleep system, or your hygienic sleep sheets when you travel. Sea to Summit liners use materials including Thermolite, Coolmax, Tencel and Silk to provide maximum comfort: wicking moisture, adding warmth and keeping your sleeping bag clean.\u003c\/p\u003e","products":[{"product_id":"comfort-blend-sleeping-bag-liner","title":"Comfort Blend Sleeping Bag Liner","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eA liner is the core of a sleep system, keeping your sleeping bag clean and improving your sleep climate. The Comfort Blend liner uses a stretch-knit fabric made of polyester and TENCEL Lyocell fibers to create a soft, comfortable, moisture-wicking layer around you.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe TENCEL Lyocell\/Polyester blend provides excellent moisture wicking and next-to-skin comfort\u003c\/li\u003e\n\u003cli\u003eHeiQ odour control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eStretch-knit fabric and a rectangular cut for superior freedom of movement\u003c\/li\u003e\n\u003cli\u003eAvailable in a Rectangular shape, and a Rectangular version with standard-size pillow sleeve\u003c\/li\u003e\n\u003cli\u003eRectangular version is designed for use with rectangular sleeping bags and quilts: improve your sleep climate while keeping your bag or quilt clean\u003c\/li\u003e\n\u003cli\u003eRectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Rectangular","offer_id":42585352405165,"sku":"A3231","price":44.95,"currency_code":"USD","in_stock":true},{"title":"Rectangular with Pillow Sleeve","offer_id":42585352437933,"sku":"A3232","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/ComfortBlendSleepingBagLiner-Rectangular_ASL032071-200202_PRIMARY_WBG.jpg?v=1706647104"},{"product_id":"breeze-sleeping-bag-liner-insect-shield","title":"Breeze Sleeping Bag Liner [Insect Shield]","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eAvailable in both a Mummy version with a drawcord base, and a Rectangular model with a pillow sleeve, the stretch-knit fabric offers incredible freedom of movement. In humid conditions, the blend of 70% Coolmax Ecomade and 30% biobased Tencel Lyocell fibres wick moisture effectively to prevent you feeling clammy. Outdoor users will usually opt for the Mummy version - in especially buggy environments the Insect Shield® treatment repels certain bugs to provide greater confidence. And for those travelling, the Rectangular model has a built-in pillow sleeve that fits an Aeros Pillow perfectly. Rest assured you will have a hygienic sleep environment wherever you rest your head.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eCoolmax fabric technology keeps you dry and comfortable by wicking moisture from the skin\u003c\/li\u003e\n\u003cli\u003eTENCEL Lyocell is a USDA-certified fiber, manufactured using an environmentally responsible process and the blended fabric offers luxurious next-to-skin comfort\u003c\/li\u003e\n\u003cli\u003eRectangular shape with standard-size pillow sleeve is perfect for hostels and budget hotels\u003c\/li\u003e\n\u003cli\u003eMummy version has a drawcord footbox for optimal comfort. The drawcord and shoulder openings integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk - perfect for bathroom breaks\u003c\/li\u003e\n\u003cli\u003eHeiQ Fresh odour control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eInsect Shield® is a permethrin-based treatment that repels a number of insects. Unlike spray-on\/wash-in permethrin, Insect Shield® does not dissipate in contact with air\/water\/UV and will last through 25 wash cycles\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Mummy with Drawcord","offer_id":42585352700077,"sku":"A3224","price":50.97,"currency_code":"USD","in_stock":true},{"title":"Rectangular with Pillow Sleeve","offer_id":42585352667309,"sku":"A3228","price":47.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/BreezeSleepingBagLiner-InsectShield-MummyWithDrawcord_Standard_ASL031081-191606_PRIMARY_WBG.jpg?v=1703694790"},{"product_id":"breeze-sleeping-bag-liner","title":"Breeze Sleeping Bag Liner - Past Season","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eAvailable in both a Mummy version with a drawcord base, and a Rectangular model with a pillow sleeve, the stretch-knit fabric offers incredible freedom of movement. In humid conditions, the blend of 70% Coolmax Ecomade and 30% biobased Tencel Lyocell fibers wick moisture effectively to prevent you feeling clammy. Outdoor users will usually opt for the Mummy version, which stretches to fit any sleeping bag shape. For those travelling, the Rectangular model has a built-in pillow sleeve that fits an Aeros Pillow perfectly. Rest assured you will have a hygienic sleep environment wherever you rest your head.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eCoolmax fabric technology keeps you dry and comfortable by wicking moisture from the skin\u003c\/li\u003e\n\u003cli\u003eTENCEL Lyocell is a USDA-certified fiber, manufactured using an environmentally responsible process and the blended fabric offers luxurious next-to-skin comfort\u003c\/li\u003e\n\u003cli\u003eRectangular shape with standard-size pillow sleeve is perfect for hostels and budget hotels\u003c\/li\u003e\n\u003cli\u003eMummy version has a drawcord footbox for optimal comfort. The drawcord and shoulder openings integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk - perfect for bathroom breaks\u003c\/li\u003e\n\u003cli\u003eHeiQ Fresh odour control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eKnitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works seamlessly with sleeping bags of any shape\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Compact Mummy with Drawcord","offer_id":42585356927149,"sku":"A3221","price":41.97,"currency_code":"USD","in_stock":false},{"title":"Mummy with Drawcord","offer_id":42585356959917,"sku":"A3222","price":44.97,"currency_code":"USD","in_stock":true},{"title":"Rectangular with Pillow Sleeve","offer_id":42585356992685,"sku":"A3227","price":41.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/BreezeSleepingBagLinerMummyWithDrawcordCompact_ASL031081-190202_PRIMARY_WBG.jpg?v=1703693055"},{"product_id":"reactor-extreme-sleeping-bag-liner","title":"Reactor Extreme Sleeping Bag Liner","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eAn 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.\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eThermal 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\u003e\n\u003cli\u003eThermolite® 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\u003e\n\u003cli\u003eDrawcord 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\u003e\n\u003cli\u003eHeiQ Fresh odor control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eKnitted fabric provides incredible stretch and freedom of movement in this mummy-shaped liner and works perfectly with sleeping bags of any shape\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Compact Mummy with Drawcord","offer_id":42588765716653,"sku":"A3207","price":47.97,"currency_code":"USD","in_stock":true},{"title":"Mummy with Drawcord","offer_id":42588765683885,"sku":"A3208","price":50.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/ReactorExtremeSleepingBagLinerMummyWithDrawcordCompact_ASL031071-190802_PRIMARY_WBG.jpg?v=1703699176"},{"product_id":"reactor-fleece-sleeping-bag-liner","title":"Reactor Fleece Sleeping Bag Liner - Past Season","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eThe Reactor Fleece Liner built from hollow-core Thermolite® Pro fibers used in a grid-pattern to deliver our warmest sleeping bag liner and the core of any quality cold weather sleep system. You can regulate your temperature using the shoulder zippers and drawcord footbox, which also align perfectly with the Free Flow-Zip system of Sea to Summit sleeping bags. The versatile Reactor Fleece Liner delivers comfort across multiple seasons or can even be used as a stand-alone sleeping bag in warm weather. Additionally, the drawcord footbox offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eThermal 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\u003e\n\u003cli\u003eHollow-core Thermolite® EcoMade fibers are used in a grid-pattern fleece for maximum warmth retention\u003c\/li\u003e\n\u003cli\u003eDrawcord footbox 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\u003e\n\u003cli\u003eHeiQ Fresh odor control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eA mummy shape designed for maximum thermal efficiency and includes shoulder zippers and footbox drawcord for additional temperature regulation\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Compact Mummy with Drawcord","offer_id":42588765782189,"sku":"A3211","price":53.97,"currency_code":"USD","in_stock":true},{"title":"Mummy with Drawcord","offer_id":42588765749421,"sku":"A3212","price":56.97,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/ReactorFleeceSleepingBagLinerMummyWithDrawcordCompact_ASL031031-191902_PRIMARY_WBG.jpg?v=1703699807"},{"product_id":"reactor-sleeping-bag-liner","title":"Reactor Sleeping Bag Liner","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eAdd warmth to your sleep system in cool or cold conditions: with our Reactor Liner. Using Thermolite® Pro fabric with infra red-absorbing ceramic pigments and Thermolite® EcoMade fibers , the new Reactor takes thermal performance to the next level.\u003c\/p\u003e\n\u003cp\u003eThe stretch-knit fabric provides optimal comfort, and ensures the Reactor fits any sleeping bag. Choose between the classic Mummy and the Mummy with Drawcord - the footbox opening offers plenty of ventilation and the versatility of walking around camp while still wearing your liner if needed.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca class=\"accordion-title accordionTitle js-accordionTrigger\" aria-controls=\"accordionFeatures\" aria-expanded=\"false\" href=\"#accordionFeatures\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" id=\"accordion1\" class=\"accordion-content accordionItem is-collapsed\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eThermal boost to retain heat and warmth. As the core of your sleep system the Reactor liner extends the performance of your sleeping bag in colder conditions\u003c\/li\u003e\n\u003cli\u003eThermolite® 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\u003e\n\u003cli\u003eThe classic Mummy version has practical openings in the shoulders to allow the user to stretch his or her arms out\u003c\/li\u003e\n\u003cli\u003eIn the version with the drawcord footbox, the base or shoulder openings can be opened or closed for optimal comfort. They integrate perfectly with the Free-Flow Zip system in select Sea to Summit sleeping bags. Open the base drawcord, and you can hitch the liner up and walk round camp - perfect for bathroom breaks\u003c\/li\u003e\n\u003cli\u003eHeiQ Fresh odor control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eKnitted fabric provides incredible stretch and freedom of movement - Reactor liners work perfectly with sleeping bags of any shape\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Compact Mummy with Drawcord \/ Sulphur","offer_id":42588765847725,"sku":"A3201","price":41.97,"currency_code":"USD","in_stock":true},{"title":"Mummy with Drawcord \/ Sulphur","offer_id":42588765814957,"sku":"A3202","price":44.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/ReactorSleepingBagLinerMummyWithDrawcordCompact_ASL031061-190903_PRIMARY_WBG.jpg?v=1703700459"},{"product_id":"silk-blend-sleeping-bag-liner","title":"Silk Blend Sleeping Bag Liner","description":"\u003cdiv class=\"main-description\"\u003e\n\u003cp\u003eDesigned primarily for comfort, the Silk Blend Liner adds warmth to your sleeping bag via the 72% Thermolite® Pro yarns with infra red technology, Thermolite® EcoMade fibers and 28% silk. The combination creates a soft, luxurious sleep environment.\u003c\/p\u003e\n\u003cp\u003eTwo versions are available. The Rectangular with Pillow Sleeve has Comfort Stretch Panels along the seams to boost sleeping comfort. The Mummy version has practical shoulder openings which aid with temperature regulation.\u003c\/p\u003e\n\u003cdiv class=\"title-container\"\u003e\u003ca href=\"#accordionFeatures\" aria-expanded=\"false\" aria-controls=\"accordionFeatures\" class=\"accordion-title accordionTitle js-accordionTrigger\"\u003eFeatures\u003c\/a\u003e\u003c\/div\u003e\n\u003cdiv class=\"accordion-content accordionItem is-collapsed\" id=\"accordion1\" aria-hidden=\"true\"\u003e\n\u003cdiv class=\"col-xs-12 tab-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eA liner is the climate core of your sleep system - the Mummy Shaped Silk Blend liner adds warmth and a touch of luxury to your sleeping bag\u003c\/li\u003e\n\u003cli\u003eRectangular with Pillow Sleeve is a great hygienic sleep sheet wherever you travel\u003c\/li\u003e\n\u003cli\u003eHeiQ odor control technology helps keep the liner fresh even after extended use\u003c\/li\u003e\n\u003cli\u003eSea to Summit Guarantee is offered for the Lifetime of this product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sea to Summit","offers":[{"title":"Compact Mummy","offer_id":42601267101869,"sku":"A3241","price":94.95,"currency_code":"USD","in_stock":false},{"title":"Mummy","offer_id":42601267069101,"sku":"A3242","price":99.95,"currency_code":"USD","in_stock":true},{"title":"Rectangular with Pillow Sleeve","offer_id":42601267134637,"sku":"A3243","price":99.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/SilkBlendSleepingBagLiner-Mummy-Standard_ASL032051-191802_PRIMARY_WBG.jpg?v=1703701093"},{"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":"breeze-lightweight-liner","title":"Breeze Lightweight Sleeping Bag Liner","description":"\u003cp\u003eThe Breeze Liner delivers all-weather comfort with a breathable blend of COOLMAX® EcoMade and plush biobased Tencel Lyocell fibers that wick moisture to keep you comfortable even on warm nights. Its super-stretchy fabric, drawcord opening footbox, and arm openings (mummy only) provide versatile freedom of movement—ideal for use inside or outside your sleeping bag. Easy to clean and quick-drying, 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\u003eCOOLMAX® and Tencel fabrics work together to provide Climate Control, wicking moisture to keep you cool and comfortable on warm nights\u003c\/li\u003e\n\u003cli\u003eStretchy knitted fabric fits any sleeping bag shape, offering exceptional freedom of movement whether you’re sleeping still or tossing and turning\u003c\/li\u003e\n\u003cli\u003eHeiQ Fresh odor control technology keeps the liner fresh and airy even after extended use\u003c\/li\u003e\n\u003cli\u003eMummy version features a drawcord footbox for enhanced ventilation and greater freedom of movement inside or outside your tent\u003c\/li\u003e\n\u003cli\u003eTechnical hood and Climate Control shoulder openings are designed to maximize mobility and minimize weight without compromising comfort\u003c\/li\u003e\n\u003cli\u003eMachine washable and durable, this liner helps reduce washing of your sleeping bag, preserving its loft and extending its lifespan\u003c\/li\u003e\n\u003cli\u003eTraveller version includes a pillow sleeve, providing a clean, hygienic sleeping space anywhere your travels take you\u003c\/li\u003e\n\u003cli\u003eConstructed with lower impact certified recycled and bluesign APPROVED materials\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sea to Summit","offers":[{"title":"Short","offer_id":45692602843309,"sku":"056301","price":70.95,"currency_code":"USD","in_stock":true},{"title":"Regular","offer_id":45692602876077,"sku":"056303","price":75.95,"currency_code":"USD","in_stock":true},{"title":"Long","offer_id":45692602908845,"sku":"056302","price":80.95,"currency_code":"USD","in_stock":true},{"title":"Rectangular with Pillow Sleeve","offer_id":45692602941613,"sku":"056304","price":75.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2467\/2501\/files\/056303_BreezeSleepingBagLiner_Regular-Mummy_CendreBlue_PRIMARY_1500.jpg?v=1770239358"},{"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. 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