The Mountain Equipment KRYOS LONG is your reliable partner for demanding winter mountaineering and long ski expeditions when every gram and every bit of warmth counts. With only 743 g of high-quality goose down (minimum 800 cuin fill power), it delivers impressive insulation performance with minimal pack size. The breathable, water-repellent DRILITE® LOFT 10D outer material effectively protects you from condensation, keeping you dry and warm. The ultra-soft inner lining feels comfortable against the skin, even in cold temperatures. The innovative trapezoidal chamber construction prevents the down from shifting, maintaining an optimal warmth-to-weight ratio. Special details such as the ergonomically shaped hood, the thermal collar, and the insulated foot section prevent cold spots. The long zipper with Gemini™ system and the magnetic Lode Lock™ closure keep the warmth where it belongs. With a comfort temperature of up to -20°C, the Kryos LONG is the warmest sleeping bag in the Extreme Alpine series – perfect for your toughest adventures in the cold. Whether on high-altitude tours or winter expeditions, this sleeping bag will keep you well protected and ensure you get a good night's sleep.