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: 18oz / 510g Avg. Weight for size One Size