This is the All season, All reason, Outdoor Blanket. How it works:Super insulation is exactly what the name implies an ultralight material with very high insulation efficiency. It was originally developed to meet demands of aerospace applications. It's fantastic for all outdoor activities; Campers use it as a ground sheet for tents and sleeping bags. Skiers go up chair lifts in comfort, wrapped in it. Fishermen spread it at stream side for a clean, dry spot for supplies and the day's catch, the list goes on and on! Space Blanket