{"product_id":"mountainsmith-sleeping-bag-liner-1663800","title":"Mountainsmith Sleeping Bag Liner","description":"\u003cp\u003eTransform cool nights into cozy repose and extend the life of your primary sleep system with the versatile Mountainsmith Sleeping Bag Liner. Crafted from silky-smooth yet incredibly resilient polyester, this essential layer adds a genuine 10-15 degrees Fahrenheit to your bag’s thermal performance, turning a crisp evening into a sanctuary of warmth. Beyond insulation, it serves as an indispensable barrier, shielding your valuable down or synthetic bag from trail grime, body oils, and sweat, drastically cutting down on laundry cycles and prolonging its pristine condition. At a mere 9.6 ounces, it tucks away into its integrated stuff sack, becoming an almost imperceptible addition to your pack, yet it’s ready to deploy as a standalone, hygienic sleep solution for balmy summer nights, minimalist treks, or while navigating communal hostel dorms. Its clever mummy shape, complete with a snug shoulder baffle, seamlessly integrates into most sleeping bags, ensuring consistent coverage and a truly restorative slumber wherever your adventures unfold with Mountainsmith.  \u003cbr\u003e  \u003cbr\u003e\u003cstrong\u003ePRODUCT CONDITION\u003c\/strong\u003e \u003cbr\u003e  \u003cbr\u003e\u003cspan class=\"UnNewText\"\u003eThis UnNew \u003c\/span\u003e\u003cspan id=\"displayNameDesc\"\u003eMountainsmith Sleeping Bag Liner\u003c\/span\u003e is in \u003cspan class=\"condition\"\u003eExcellent\u003c\/span\u003e condition.  \u003cbr\u003e  \u003cbr\u003e\u003cspan class=\"conditionText\"\u003eProducts in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.\u003c\/span\u003e  \u003cspan class=\"wearText\"\u003e \u003c\/span\u003e \u003cbr class=\"lineBR\" style=\"display: none;\"\u003e\u003cbr class=\"lineBR\" style=\"display: none;\"\u003e\u003cspan class=\"disclaimer\" style=\"font-weight: bold; display: none;\"\u003e \u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTECH SPECS\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eBrand: Mountainsmith\u003c\/li\u003e\r\n\u003cli\u003eMaterial: 100% polyester\u003c\/li\u003e\r\n\u003cli\u003eMummy shaped \u003c\/li\u003e\r\n\u003cli\u003ePillow sleeve\u003c\/li\u003e\r\n\u003cli\u003eDouble stitched seams\u003c\/li\u003e\r\n\u003cli\u003eFits up to 6' 6\"\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"geartrade","offers":[{"title":"One Size \/ Gray","offer_id":53475358474545,"sku":"MAAMODT5088","price":13.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/9133\/1121\/files\/fa7a1802-b926-419c-a652-c4d43c3db6c0.webp?v=1777421629","url":"https:\/\/geartrade.com\/products\/mountainsmith-sleeping-bag-liner-1663800","provider":"Geartrade.com","version":"1.0","type":"link"}