thru-hiking

NOTE: This helmet does not meet the requirements of the EN 1077 standard for alpine skiing helmets

Ideal for outdoor recreation

Sizing Chart Men's Tops Sizing Chart and Fit Guide

Two-way stretch woven face with DWR finish (110gsm

Outdoor Research Helium Bivy Color:Cranberry thru-hikingThe Helium Bivy is our 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 opening makes it