OUTDOOR RESEARCH Helium Bivy | Waterproof, Insect Proof, Durable, Lightweight, Bivouac Sack Tent

SUPERIOR WEATHER PROTECTION - Crafted with bluesign approved Pertex Shield Diamond Fuse 2.5L 100% Nylon 30D Ripstop Upper, this bivy sack offers exceptional waterproof and windproof performance.. ENHANCED DURABILITY - The 100% Nylon 40D floor with TPU lamination provides robust protection against ground moisture and abrasion, ensuring long-lasting use in rugged environments.. OPTIMAL BREATHABILITY - Featuring bluesign approved 100% Polyester Mesh, this bivy sack maximizes airflow, reducing condensation and keeping you comfortable throughout the night.. LIGHTWEIGHT DESIGN - Weighing only 15.8 oz (448g), the Helium Bivy is incredibly lightweight, making it ideal for backpacking and minimalist adventures where every ounce counts.. COMPACT AND PORTABLE - Easily compressible, this bivy sack packs down small, saving valuable space in your backpack and allowing for convenient storage and transport on any expedition.