Outdoor Research Helium Bivy - Classic Blue Xmas-Idea-Tents compact mechanical advantage systems

compact mechanical advantage systems

Made from 100% ripstop silk

Sheave diameter: 25 mm

while lockable zips keep your kit safe

Wallnuts form the core of trad climbing protection

Outdoor Research Helium Bivy - Classic Blue Xmas-Idea-Tents compact mechanical advantage systemsThe Helium Bivy is Outdoor Research's lightest, best selling, and most awarded bivy sack of all time. Incredibly quick to set up and breakdown, the ultralight Helium Bivy is 14% lighter than its last generation, and has everything the outdoor minimalist needs to be comfortable. Thru hikers and bikepackers love the Helium for its refined footprint and reduced weight, and trust it for its durable, lightweight, waterproof Pertex Diamond Fuse technology.