Crosho UL -20°
You asked for an ultralight bag that could withstand the rigors of high alpine bivies, be warm enough for the most extreme environments, and also pack efficiently and weigh next to nothing. Challenge met. Welcome back, the re-designed Crosho UL -20 bag. Built with a superlight, high-tear strength shell, insulated with 850 fill power DownTek™, and body mapped, thermally efficient baffles, this bag has your back (and all other body parts) when conditions make that a necessity.