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    Email me when Helium Bivy in is back in stock.

    Premium Materials To Move Fast And Light In All Conditions.

    The Helium Bivy is our lightest, best-selling, and most awarded bivy sack. Thru-hikers and bikepackers love the Helium for its refined footprint and reduced weight and trust it for its durable, lightweight, waterproof Pertex® Diamond Fuse technology. Incredibly quick to set up and break down, the ultralight Helium Bivy is 14% lighter than its last generation and has everything the outdoor minimalist needs to be comfortable. A clamshell opening makes it easy to get in and out and resists wear and tear for future seasons of adventuring. The ideal shelter for minimalists looking to trade weight for speed, agility, and performance, the Helium Bivy is a fast-and-light essential.

    WARNING: This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

    • Specs
    • Product:
      • bluesign® approved Pertex® Shield Diamond Fuse 2.5L 100% Nylon, 30D Ripstop Upper
      • 100% Nylon, 40D with TPU lamination floor
      • bluesign® approved 100% Polyester Mesh
      15.8 oz/ 448 g
    • Features
    • Fabric Performance:
      • Waterproof
      • Breathable
      • Fully Seam-Taped
      • Durable
      • No-See-Um Mesh
      Design Features:
      • Single-Pole System
      • Reflective Logo and Trims
      • Two Stake Loops
      • One Guy Line Loop
      • High Volume Toe End
      • Clamshell Opening
      • Two Internal Fly Fasteners
      • Dimensions: 208.3 cm x 66 cm x 50.3 cm / 82 in x 26 in x 19.8 in (Footbox tapers)

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