Outdoor Research Helium Bivy (PFAS-Free) - Ultralight Waterproof Bivy Shelter (Pertex® Diamond Fuse) Jacket Designed for climbers who want

Designed for climbers who want one shoe that does it all

a micro-lifter and its own cozy / storage pouch

the Griffin 10 is a powerful tool for technical alpine environments

it's built to perform across a wide range of alpine environments

Maintains breathability

Outdoor Research Helium Bivy (PFAS-Free) - Ultralight Waterproof Bivy Shelter (Pertex® Diamond Fuse) Jacket Designed for climbers who wantUltralight Shelter for Fast & Light Missions The Outdoor Research Helium Bivy (PFAS Free) is an award winning ultralight bivy designed for adventurers who prioritise speed, minimal weight, and dependable weather protection. Updated with Pertex Shield Diamond Fuse technology, it delivers improved durability while remaining exceptionally lightweight now 14% lighter than the previous generation. Fully seam taped and waterproof, it offers reliable