After a day spent chasing horizons, the thought of sliding into a clean, soft haven is pure luxury. COCOON’s Cotton Mummy Sleeping Bag Liner delivers exactly that: a supple, breathable layer that transforms any sleeping bag into a pristine sanctuary, shielding it from trail grime and body oils while adding a crucial boost of up to 5°F. Crafted from premium 100% cotton, its gentle touch against the skin offers natural thermoregulation, providing welcome relief whether you're under desert stars or nested in a high alpine bivvy. This lightweight, tapered marvel isn't just about extending your sleeping bag's life; it's about elevating every night's rest, packing down into a minimal stuff sack that barely registers in your kit, ready to upgrade your sleep experience, trip after trip. 
 
PRODUCT CONDITION
 
This UnNew COCOON Cotton Mummy Sleeping Bag Liner is in Excellent condition. 
 
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.   



TECH SPECS

• Brand: COCOON
• Material: 100% Cotton
• Weight: 14.5 oz / 410 g
• Thermal Performance: Adds 5°F (3°C) to sleeping bag warmth
• Construction: Doubled seams
• Features: Drawstring hood
• Fabric Properties: Breathable
• Compatibility: Designed for mummy-shaped sleeping bags
• Included Components: Stuff sack