Prepare for demanding winter expeditions, high-altitude alpine climbs, or freezing nights exposed to sub-zero temperatures. Facing extreme cold requires a specialized sleep setup that guarantees safety, efficiency, and comfort when your body needs to recover. This technical tapered liner fits precisely inside your mummy sleeping bag, acting as a critical barrier during severe weather adventures. The wide top opening ensures easy entry and exit, allowing a smooth transition into sleep after an exhausting day navigating icy slopes or trekking through heavy snow. It offers a protective place that maximizes your rest in challenging conditions.
Designed for serious winter mountaineers, backcountry explorers, and extreme adventurers who prioritize thermal safety, this lightweight liner keeps your sleeping system performing at its absolute peak. In sub-zero environments, body moisture naturally evaporates from your skin and can freeze inside your sleeping bag’s down or synthetic insulation, severely reducing its loft and ability to keep you warm over multiple days. By using this specialized technical liner, you shield your expensive gear from sweat and internal condensation, maintaining a dry, reliable, and high-performing sleep setup for multi-day winter treks. The functional drawstring hood allows you to seal in body warmth efficiently, keeping your head cozy and preventing cold air drafts from entering.
Engineered from premium 100% ripstop nylon with an internal non-breathable coating, this liner is entirely vapor-proof to stop evaporative heat loss completely. It prevents moisture from leaving the interior of the liner, which eliminates evaporative cooling against your skin and significantly boosts the overall thermal performance of your existing sleeping bag. The ultralight fabric features a reinforced ripstop grid structure that provides exceptional tear resistance while packing down into an incredibly small size. This minimal pack volume ensures it takes up virtually no space in an already overloaded winter backpack, making it an excellent choice for weight-conscious explorers.
Robust craftsmanship defines this expedition-ready liner, featuring completely secure seams to prevent any vapor leakage under tension. The non-absorbent material can be wiped clean instantly with a cloth, allowing for easy maintenance and immediate reuse during brief tent breaks or extended basecamp stays. It represents an essential piece of technical gear for cold-weather multi-day expeditions where preserving the loft and warming power of your sleeping bag is critical for survival and long-distance trail comfort.
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This contact is responsible for product safety compliance. For help with an order or return, please contact customer service
Cocoon
Gewerbepark 8, 8510 Stainz, Oostenrijk
cocoon@cocoon.at
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This contact is responsible for product safety compliance. For help with an order or return, please contact customer service
Cocoon
Gewerbepark 8, 8510 Stainz, Oostenrijk
cocoon@cocoon.at
