The Tyin MTI Winter Wide 200 Sleeping Bag from Mammut is for harsh winter nights: You're equipped for an expedition with the Tyin MTI Winter Wide. The lightweight Trinity construction ensures greater protection and better insulation in the foot and head areas. The additional layer of fibers ensures improved insulation in the foot area, while the 3D hood has four layers of fiber for optimum insulation in the head area. This combats persistent cold. All the materials used are designed to be durable, robust and perfect for conditions on frosty nights. The Ajungilak MTI Endurance gives the Tyin MTI Winter Wide a very robust artificial fiber filling, while shelterTX protects your feet and head from wetness so that you can survive even the coldest of nights!