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Outdoor Research Helium Bivy

Outdoor Research Helium Bivy
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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.

Fabric: Pertex® Shield+ 2.5L, 100% nylon, 30D ripstop upper - 100% nylon, 70D with TPU lamination floor

Weight: 510 g / 18oz

Fabric Performance:

  • Waterproof
  •  Breathable
  •  Ultra Lightweight
  •  Fully Seam-Taped
  •  Durable
  •  No-See-Um Mesh
  •  Hydroseal® Floor

Design Features:

  • Sleeping Pad Straps
  •  Five Stake Loops
  •  One Guy Line Loop
  •  Internal Mesh Pocket

Functional Details:

  • Delrin® Single-Pole System