Outdoor Research Helium Bivy - Slate CHideaHikeSocks Equipped with the famous Grivel

Equipped with the famous Grivel proactive antibott both in the front and the rear

Thanks to the innovative S-Café technology integrated in its fibres

sophisticated attachment at the lever arm

Yeast Extract

A knit waistband for stability and comfort

Outdoor Research Helium Bivy - Slate CHideaHikeSocks Equipped with the famous GrivelThe Helium Bivy is Outdoor Research's lightest, best selling, and most awarded bivy sack. 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. Incredibly quick to set up and break down, the ultralight Helium Bivy is 14% lighter than its last generation and has everything the outdoor minimalist needs to be comfortable. A clamshell