A great choice for three-season campers, the Wenzel Santa Fe mummy-style sleeping bag offers a warm, comfortable night"s sleep thanks to its 20-degree Fahrenheit temperature rating. It"s filled with 40 ounces of hypoallergenic Omega II polyester fiber fill. The off-set quilt construction encapsulates the polyester fill between two layers of outer fabric to help reduce cold spots. It features a drawstring hood, a full-length 3 inch draft tube and a 3-inch internal shoulder collar to help keep the cold out. Other features include a self-repairing zipper and an oxford nylon stuff sack. Specifications: Size: 33 in. x 84 in. Fill: 40 oz. of non-allergenic Omega II Outer: polyester Liner: soft polyester pongee Storage: oxford stuff sack.