Outdoor Research Helium UL Bivy Light Pewter One Size. 5L Pertex Shield NetPlus fabric - made from 100percent recycled fishing nets - to block wind and rain while delivering optimal ventilation for better nights in the backcountry. Specifications for Outdoor Research Helium UL Bivy: Manufacturer: Outdoor Research Age Group: Adults Application: Camping Size: One Size Fabric/Material: 100percent Recycled Nylon Body Material: Pertex Shield NetPlus Floor Material: Waterproof PU-coated Doors: 1 Weight: 18.02 oz Condition: New Features of Outdoor Research Helium UL Bivy 2026 Updated Design Clamshell Opening Dual Passive Ventilation Flaps increases airflow and reduces condensation Four Aluminum Stakes High Volume Toe Box One Guy Line Loop Reflective Logo and Trims Single DAC Aluminum pole design Six Stake Loops Package Contents: Outdoor Research Helium UL Bivy Outdoor Research 3226991564222: Helium UL Bivy Light Pewter One Size