Alpine protection and all-night comfort without the weight. Lightweight durability of Pertex® and breathable waterproof AscentShell™ makes for a faster and lighter solo shelter that you’ll bring everywhere.
Award-winning for its ultralight prowess, updated with our most durable lightweight Helium fabric with Diamond Fuse technology. This clamshell opening bivy is ideal for fast and light missions. The tapered shape of the Helium Bivy works best with tapered