Helium UL Bivy climb dynamic rope Center strap and durable corners

Center strap and durable corners securely attach the ground sheet to the legs of your Helinox chair

negating the need for perfect calibration

Sheave type: Sealed ball bearings

and functionality

Helium UL Bivy climb dynamic rope Center strap and durable cornersWaterproof 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