A good night’s sleep starts with the proper shelter, such as the Ultralight Bivy Sack from Mammut. The top of the bag is Mammut’s ShelterTX fabric and the bottom is made of a slightly more durable EnduranceTX–both are very waterproof and utilize a polyurethane membrane to prevent moisture from getting at you. Extremely lightweight construction (under a pound) and an integrated stuff bag make this bivy easy to always have in your pack, whether it’s as your planned sleeping station or an emergency shelter.
Material: shelterTX (polyamide), [bottom fabric] enduranceTX (polyamide), [waterproof membrane] polyurethane
Dimensions: [max use height] 76.7 in
Trail Weight: 10.9 oz
Recommended Use: backpacking, backcountry touring
Manufacturer Warranty: lifetime
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