carinthia defence 4 soveposeCarinthia Defence 4 originally comes from military use and is probably one of the best on the market, it is probably the best selling 3 season sleeping bag ever. It is characterized by having a zipper in the middle and is extremely robust and made of a water repellent outer material. Outside the zipper it also comes with extra protection, which protects against both wind and moisture In addition, it of course prevents heat from leaking out. It is