The Trailhead Bivy can be used as a standalone sleeping bag cover for lightweight mountain days or as extra protection under a tarp on backpacking or bikepacking trips. The lightweight waterproof construction keeps the worst of the elements off your sleeping bag, whilst an open face style with snap fasteners offers great ventilation to reduce condensation. Ideal for fast and light adventurers who find a zipped face bivy constricting, the Trailhead Bivy is 406g and packs down to just 18cm x 12cm. Stashable, simple and protective, it&&';;s built for the hardy outdoor adventurer. Top: 40D ripstop nylon with PU coating (108gsm) with fluorocarbon-free DWR \ HH: 10000mm \ MVTR: 10000g/m2/24 hrs Base: 40D ripstop nylon with PU coating (108gsm) with fluorocarbon-free DWR \ HH: 10000mm Lightweight and breathable waterproof ripstop nylon fabric 10,000mm Hydrostatic Head MVTR 10,000 g/m2/24h Taped waterproof seams Simple snap opening entry with stiffened peak and integrated rain gutter Length: 250cm; Shoulder Width: 85cm Packed size: 18cm x 12cm Main: 100% polyamide with polyurethane coating. Second: 100% polyamide with polyurethane coating. Weight14.3oz/406g Product codeMR-69