Mammut Ajungilak Kompakt Winter 10F Synthetic Sleeping Bag The Mammut Ajungilak Kompakt Winter 10F Synthetic Sleeping Bag is an award-winning sleeping bag from Mammut. The advanced MTI 13 filling gives this sleeping bag the lowest weight and maximum insulation. This lightweight sleeping bag is extremely compressible and easy to handle. Its box construction lends more loft space and increased insulation capacity. With a shell made from PerformanceTX and lined with SilkyTX, you are guaranteed a comfortable, night s rest no matter where you are. The Ergonomic Foot design helps to maximize comfort and movement for your feet. So when you miss the warmth of home while backpacking/hiking, slip into the Mammut Ajungilak Kompakt Winter 10F Synthetic Sleeping Bag and feel right at home.