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The Helium UL Bivy blends bluesign® approved Pertex® Shield NetPlus® fabric, a waterproof PU-coated floor, and fully seam-taped construction to deliver ultralight, breathable protection for minimalist backpackers, climbers, and fast-packers.
Outdoor Research® gear is guaranteed to perform throughout the lifetime of the product.
Enjoy free ground economy shipping on orders $125+ USD / $175+ CAD. Please note: Final sale items cannot be returned or exchanged.
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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 protection. Dual passive ventilation flaps improve airflow and reduce condensation, while a high-volume toe box adds comfort through the night. A clamshell opening, single DAC aluminum pole, and six stakes/stake loops make setup quick and efficient in any terrain.
