Kelty Supernova 30 Degree 345;in45;1 Sleeping Bag Fill: Down & Polyester Fiber; Shell: 100% Polyester; Liner: 100% Polyester Imported Double sleeping bag with 550-fill power down insulation 50D polyester ripstop shell and polyester micro pongee lining Temperature rating of 30 degrees F; slant-baffle construction Top functions as standalone 1-person bag; bottom doubles as blanket 2 pillow pockets and external storage pockets; weighs 9 pounds 11 ounces