Outdoor Research Helium Bivy (PFAS-Free) - Ultralight Waterproof Bivy Shelter (Pertex® Diamond Fuse) Jacket Cohesive shape system for consistent

Cohesive shape system for consistent route setting

Designed for climbers who want one shoe that does it all

this set is perfect for building technical routes that demand precision

a micro-lifter and its own cozy / storage pouch

Outdoor Research Helium Bivy (PFAS-Free) - Ultralight Waterproof Bivy Shelter (Pertex® Diamond Fuse) Jacket Cohesive shape system for consistentUltralight 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