Tent Outdoor Research Helium Bivy (Slate)

Ultralight and Waterproof Bivouac Bag for Hiking and Bikepacking

The Helium Bivy bag is our lightest, best-selling and most award-winning product. It's quick to set up and take down, 14% lighter than its last generation and has everything the outdoor minimalist needs to be comfortable. Hikers and bikepackers appreciate its refined footprint and reduced weight, and trust it for its durable, lightweight and waterproof Pertex® Diamond Fuse technology.

The bag is made from bluesign®-approved Pertex® Shield Diamond Fuse, 2.5 L, 100% nylon, 30D Ripstop upper. It weighs 15.8 oz with pole and 14.5 oz without pole. It is waterproof, breathable, ultralight and fully sealed. It features a single-pole system, reflective logo and trim, two pole loops, a flap opening and two internal fly ties.

Benefits

• The Helium Bivy bivy bag is incredibly lightweight and easy to set up, ideal for outdoor minimalists.
• It features Pertex® Diamond Fuse technology, making it durable, waterproof and lightweight.
• It offers outstanding fabric performance with a durable seamless mesh that's waterproof, breathable and ultralight.

Technical specifications

• Materials: Pertex® Shield Diamond Fuse, 100% nylon, 30D Ripstop stem. 100% nylon, 40D with TPU-laminated bottom, 100% polyester mesh
• Weight: 15.8 oz with pole, 14.5 oz without pole/448 g with pole, 400 g without pole
• Fabric performance: Seamless, waterproof, breathable, ultra-light, fully sealed, durable mesh
• Design features: Single-pole system, reflective logo and trim, two pole loops, one guy loop, high-volume toe flap opening, two internal fly ties
• Dimensions: Bivy top (width): 26""/ 66 cm, Bivy foot (width): 19""/ 48 cm, Length: 82""/