These sleeping bags protect an individual much more than the basic outdated space blankets. The bags are waterproof and windproof and retain 90% of your body heat. It doesn’t have the openings on the bottom which is where most of the heat is lost in the emergency blankets. Don’t settle for anything ...
These body warmers heat up in just minutes. They last for 16-20 hours and heat up to 150 degrees with an average temperature of 130 degrees. Place within sleeping bag or under clothing for optimal results.
