Outdoor Research Helium Bivy | Waterproof, Insect Proof, Durable, Lightweight, Bivouac Sack Tent Pewter

GEAR YOU CAN TRUST: The Helium Bivy is an ultralight overnighter built with durable, lightweight Helium fabric featuring Diamond Fuse technology and a clamshell opening for fast and light missions. NEXT LEVEL TOUGH: Diamond shaped yarn locks together to create fabric that's highly abrasion resistant, waterproof and windproof Ñ while remaining comfortably breathable. The advanced design maintains form and quality over extended wear and washings. THRIVE OUTSIDE: Using our 1 pole system, this bivouac can be effortlessly secured using 4 stake loops and 1 guy line loop; the clamshell opening has 2 internal fly fasteners and a high volume toe end for storing essentials. PERFORMANCE MATERIAL: Experience durable, waterproof and ultralight equipment with the Helium Bivy. Made from 100% Nylon with a 30D Ripstop upper and 40D TPU laminated floor, this breathable bivy has a No-See-Um Mesh for effective insect deterrence. CAMPING REDEFINED: Available in 1 size that fits any adult person with a passion for the outdoors; this heavy duty, lightweight, seam-sealed bivy tent offers the rain, bug and damage protection you've come to expect from Outdoor Research.