Three-season mummy sleeping bag rated to 20°F with an ISO comfort rating of 32°F. It features 550-fill duck down for quick lofting and easy compression. Trapezoidal baffles maintain down placement and insulation. The draft tube protects against cold air along the half-length zipper. The natural-fit footbox allows for foot movement. Includes an internal stash pocket and dual sliding zippers for ventilation. Available in short, regular, and long sizes up to 6ft 7in.