Helium UL Bivy Sizes:OS The hinged cuff provides lateral

The hinged cuff provides lateral support without limiting your range of motion or reducing power to your skis

Welded stuff sack holds set while travelling and doubles as a sink or wash basin

and a body-enhancing fit so you can explore comfortably and look good while doing it

while LIGHTRANGE™ technology delivers optimum moisture management to keep you comfortable when it's blazing hot on the trail

Helium UL Bivy Sizes:OS The hinged cuff provides lateralWaterproof Protection Without the Weight. The Helium UL Bivy is built for ultralight backpackers, climbers, and fast packers who need waterproof protection and breathability in a minimalist shelter. Made with bluesign approved Pertex Shield NetPlus fabric from 100% recycled nylon, the Helium UL Bivy is newly updated for 2026 to deliver durable, lightweight performance with a fully seam taped design and waterproof PU coated floor for reliable weather