Description

COCOON Ripstop Nylon Vapor Barrier Mummy Bivibag/Liner: Your Ultimate Cold Weather Survival Tool
Conquer the coldest environments and maximize your sleep system´s efficiency with the COCOON Ripstop Nylon Vapor Barrier Mummy Liner. This highly technical piece of gear is a game-changer for winter expeditions, high-altitude mountaineering, and any adventure where sub-zero temperatures are a serious challenge. Functioning as both a performance-enhancing liner and an ultralight emergency bivy sack, it is an essential addition to the kit of any serious cold-weather enthusiast.
The Science of Staying Warm in Extreme Cold
The primary function of this vapor barrier liner (VBL) is to drastically reduce evaporative heat loss, one of the most significant ways your body gets cold during the night. The COCOON Vapor Barrier Liner surrounds your body with an ultralight, 100% non-breathable 15 Denier Ripstop Nylon shell that is laminated with a waterproof TPU-film on the inside. This impermeable layer prevents your body´s warm, moist air from escaping and cooling, effectively creating a personal microclimate that traps precious warmth next to your skin. By minimizing evaporative heat loss and reducing dehydration, this technical liner helps you stay warmer and more comfortable through the longest, coldest nights.
Protect Your Most Important Insulation
Beyond personal warmth, the Vapor Barrier Liner plays a crucial role in maintaining the performance and longevity of your sleeping bag. Over the course of a multi-day trip, body moisture can slowly seep into your sleeping bag´s insulation, especially if it´s down. This moisture compromises the insulation´s ability to loft, drastically reducing its thermal efficiency and leaving you vulnerable to the cold. The VBL acts as a shield, protecting your valuable sleeping bag from this internal body moisture. This ensures your insulation stays dry, lofty, and performing at its peak, night after night. It also makes a great emergency bivy, offering critical protection from wind and rain in an unexpected situation.
Features
Designed with technical precision, every element of this liner is built for performance and convenience in harsh conditions.
– Drawstring Hood: An adjustable drawstring hood allows you to cinch the opening snugly around your head, sealing in vital warmth and preventing drafts.
– Taped Seams: All seams are meticulously taped to ensure the barrier is completely waterproof and windproof, guaranteeing the integrity of the non-breathable shell.
– Integrated Stuff Sack: For ultimate convenience and to prevent loss, the stuff sack is sewn directly to the liner at chest height, making packing away quick and effortless even with cold hands.
– Drying Loops: Thoughtful loops at the hood and foot end allow you to easily hang the liner to dry and air out when needed.
Specifications
– Packed Size: 24×17 x 1 cm
– Weight: 172 g
Material
The liner is crafted from a high-performance 100% 15 Denier Ripstop Nylon. This advanced fabric is exceptionally lightweight and packable yet offers impressive durability and tear resistance. The interior features a waterproof TPU lamination that creates the effective and reliable vapor barrier.
Care
To maintain the integrity and performance of your liner, please follow these care instructions:
– Machine wash on a gentle cycle at 30°C.
– Do not bleach.
– Do not use a dryer; hang dry only.
– Do not iron Beluga Black / Fresia