Oversized rectangle sleeping bag delivers spacious sleeping comfort. Sandwiched between the two-layer construction is 6.5 lbs. of TechLoft+ insulation for comfort down to -10F. Soft microfiber lining feels as comfy as your sheets at home. Includes stuff sack. Imported. The Dark Canyon uses a 2-layer construction that will help eliminate cold spots. There is an included stuff sack so transporting is easy.