The Jerven Hunter is 100% waterproof and windproof, padded with 60g Primaloft. With two-way separable zippers, it offers numerous usage possibilities, limited only by your imagination. Wind sack, poncho, lean-to, tent, tarp, or cover for a sleeping bag are just a few examples of how the Jerven Hunter can be used. Trusted by military reconnaissance units, hunters and outdoorsmen and women  for decades, its a must have for safety, survival  and comfort in cold weather enviroment