An emergncy bivvy that fits in the palm of your hand and only weighs 3.5oz! More Info »
The Adventure Medical Heatsheets Emergency Bivvy stuffs to about the size of a fist, weighs only 3.5-ounces, and helps you stay warm if your day trip turns into an overnighter. The ultralight polyethylene fabric reflects 90% of your body's heat to help you stay warm through an unexpected night in the backcountry.