Cotton material, imported. Dual-size design: Sleep mode measures 84.6 by 31.5 inches (215 by 80 cm) with hood extension included, quilt mode measures 72.8 by 63 inches (185 by 160 cm). Temperature range suitable for 43 to 59 degrees Fahrenheit (6 to 15 degrees Celsius), ideal for spring, fall and cool summer conditions. Ultralight construction at 2.2 pounds total weight. Includes breathable cylindrical storage sack measuring 12 by 8 inches (30 by 20 cm).