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

The NANOspikes® feature a unique spike design that moves tungsten carbide studs away from the foot and creates stepped and tapered shock absorbing cleats around them

Material: Polypropylene

Comfort rated to -40˚F

thru-hiking

Outdoor Research Helium Bivy Color:Cranberry NOTE: This helmet does notThe 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