Outdoor Research Helium Bivy

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Item #: 332231681

A true minimalist bivy for fast and light solo expeditions, the 18-ounce Helium Bivy is the lightest bivy we make. Credit the feathery waterproof, breathable Pertex® Shield+ fabric that doesn’t compromise on durability—the floor is 70D. This bivy’s no-nonsense clamshell design will handle seasons of adventuring to come.


  • Sleeping Pad Straps, Five Stake Loops, One Guy Line Loop, Internal Mesh Pocket
  • Delrin® Single-Pole System
  • Waterproof, Breathable, Ultra Lightweight, Fully Seam-Taped, Durable, No-See-Um Mesh, Hydroseal® Floor,


  • Average Weight: 510 g (18 oz)
  • Pertex® Shield+ 2.5L, 100% nylon, 30D ripstop upper - 100% nylon, 70D with TPU lamination floor


Overall Rating: 4.0
Recommended By: 100%
Outdoor Research Helium Bivy
Overall Rating: 4.0
Recommended By: 100%