Wind & waterproof and 90% heat reflective, the S.O.L. This pack includes a 60” x 96” emergency blanket that weighs only 2.88 ounces. Swiss Safe Emergency Survival Blankets. Heavy Duty Emergency All Purpose Blanket will keep you warm and dry and is tough enough to survive multiple adventures. A true ultra-light multifunction backcountry tool, this emergency blanket can also be used as a ground cloth, gear cover, first aid blanket, and more. A: Emergency blankets are typically lightweight fabric whose mission is it to help you retain body heat, shield you from the wind and/or the rain and provide you a fighting chance to survive in the event of a natural disaster or hiking mishap. Best Survival Blanket Reviews 1. Not all emergency blankets are necessarily ultra-lightweight ‘space’ blankets … Survival instructions printed directly on the blanket … This can be used as an emergency blanket, survival shelter, ground tarp, gear cover, load hauler, or even a picnic blanket. When you carry the Swiss Safe Emergency Survival Blanket, you will have an advantage in unpredictable weather elements.