Whether your day hike has turned into an overnight survival situation, the power goes out in your home in cold weather, or your car is stranded in a snowstorm, the SOL Thermal Bivy will help keep you warm and protected from the elements. Can also be used as a warm weather sleep system. Reflects up to 80% of radiated body heat to help keep you warm and dry in emergency survival situations. Thermo Lite nonwoven fabric is waterproof and windproof. Year round use: ideal ultralightweight, compact replacement for your sleeping bag when temperatures are above 50degF9degC. Ultralight stuff sack allows you to store the bivy before and after use. Size: 84 x 36 in.. Weight: 8.1 oz..