PolyStretch Sleeping Bag Liner - Knitted Polyester

Product Description Upgrade your sleep system with the PolyStretch™ Sleeping Bag Liner — designed to add comfort, warmth, and versatility to your outdoor adventures. Made from soft, stretchy knitted polyester, this liner moves with you through the night while boosting the warmth of your sleeping bag by 8–15°F. Use it on its own as a lightweight sleeping bag for warmer nights, or attach it inside your sleeping bag with the built-in snap loops for added warmth. Includes a drawstring cinch top for heat retention and a rounded foot box to keep your feet cozy. Weighing just 11 oz (with an additional 12 g for the carry bag), it packs down small, making it a compact, lightweight essential for backpacking, camping, or travel. Key Features Soft, stretchy polyester knit for comfort and mobility Use alone on warm nights, or attach inside your bag with snap loops Increases sleeping bag warmth by 8–15°F Drawstring top for customizable heat retention Rounded foot box for extra warmth Weighs 11 oz