Get Down in the Get DownA perfect combination of warmth, packability, and weight for camping novices and pros alike. The 20D polyester shell and 550 fill power DriDown allows you to shrug off the cold while remaining lightweight. Anti-snag zipper tracks, making getting in and out of your sleeping bag quick and painless. When the temps drop, the drawstring hood seals in heat so you can stay nice and toasty all night long.Features550 fill power DriDown that is PFC-free and is certified to the Responsible Down Standard (RDS)20D polyester ripstop shell, 20D polyester taffeta liner makes for a durable exterior and a soft as butter interiorAnti snag zipper tracks for easy useHood cinch to keep in heat when the temps dropHand pocket to use bag like a blanket for bed-like comfortLower zipper location gives bag a more relaxed fit for comfort and more room to wrap around when not fully zippedCompressible and compact down bag is ideal for backpackingISO testedStuff sack included for easy pack up and transportMaterialsLiner: 20D PolyesterShell: 20D PolyesterInsulation: 550 FP DriDownTechnical Specifications: RegularTemperature Rating: 35°F / 1.67°CISO Limit Temp Rating: 26° F / -3.33° CISO Comfort Temp Rating: 36° F / 2.22° CWeight: 1 lb 12 oz / 0.77 kgFill Weight: 12.0 oz / 340.19 gFits To: 72.0" / 182.88 cmLength: 78.0" / 198.12 cmShoulder Circumference: 62.0" / 152.4 cmHip Circumference: 58.0" / 147.32 cmFoot Circumference: 40.0" / 101.6 cmStuff Sack Size: 7.5 x 15 in / 19 X 38 cmSource: Imported Sierra Designs Get Down 550F 35 Degree Sleeping Bag - Regular