Kelty Satellite 30 Degree Double Fill: Polyester Fiber; Shell: 100% Polyester; Liner: 65% Polyester/ 35% Cotton and 100% Polyester taffeta Imported Temp Rating : 30 / -1C Insulation : CloudLoft Synthetic Weight 7 lb. 15 oz. Top half can be used as a stand-alone lightweight sleeping bag Fitted sheet-style bottom fits over a queen size airbed