Simply wrap yourself up in this lightweight survival blanket and watch as it reflects up to 80% of your body heat right back at you. While not as toasty as a fire, it will stop the shivers and buy you precious time until help arrives. Perfect for hikers, campers and anyone who spends time in the great outdoors - especially in the colder months. Keep one in your car, pack or glove box, just in case the worst happens.