Outdoor Research Helium UL Bivy

Outdoor Research Helium UL Bivy | Latest Model Waterproof Protection Without the Weight The Outdoor Research Helium UL Bivy is an ultralight, weatherproof shelter built for backpackers, climbers, and fast-packers who need reliable protection with minimal weight. Updated for 2026, it features bluesign® approved Pertex® Shield NetPlus® fabric made from 100% recycled nylon, delivering lightweight durability with dependable waterproof and breathable performance. A fully seam-taped design and PU-coated waterproof floor help keep you dry in wet and unpredictable conditions. Dual passive ventilation flaps improve airflow and help reduce condensation, while the high-volume toe box provides extra space and comfort for sleeping. The clamshell opening, single DAC aluminium pole, and six included stakes allow for quick and secure setup in a wide range of terrain. Lightweight, compact, and built for serious adventures, the Helium UL Bivy is ideal for minimalist alpine missions and ultralight overnights.