Outdoor Research Helium Bivy
Outdoor Research's LIGHTEST WATERPROOF BIVY 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 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
Fabric: Pertex Shield+ 2.5L, 100% nylon, 30D ripstop upper - 100% nylon, 70D with TPU lamination floor
Avg. Weight (oz./g): 18.0oz / 510g (One Size)