With its wide mummy design and lofty 650-fill duck down, the Ascent 500 Sleeping Bag is roomy enough to accommodate side sleepers while staying warm enough for cooler nights under the stars. The outer Pertex Quantum fabric resists wind and unexpected showers to help keep you warm and dry at camp.Roomy mummy bag for sound sleep while cool weather camping Hydrophobic down treatment protects insulation from moistureCompressible 650-fill duck down provides lightweight warmthDurable, recycled nylon fabric resists campground wear and tearZippered stash pocket keeps your phone and lip balm at handWide mummy shape and footbox can fit extra layers if neededMain zipper includes down filled baffle to help seal in warmthResponsible CollectionRecycled/RepurposedMaterial[face fabric] 30D recycled Pertex Quantum (50gsm), fluorocarbon-free DWR [lining] 20D recycled nylonInsulation650-fill RDS certified European duck down, fluorocarbon-free hydrophobic finishShapewide mummyZipper3/4-lengthPocketsinternal zippered stash pocketFill Weight500gDegree25FEuropean Norm/ISO Lower Limit Rating25FStorage SackincludedStuff SackincludedStuff Size13.8 X 7.9inClaimed Weight2lb 5.4ozActivityweekend campingManufacturer Warrantylifetime