When space and weight are at a premium (think biking trips, kayak treks, and epic backpacking), you want a super packable, stuffable sleeping bag that'll fit into sterns, bike panniers, and bags. You need the lightweight, PFC-free, mummy-style NanoWave 55 Sleeping Bag to keep you comfortable around 55AdegF. Synthetic SpiraFil High Loft Insulation will keep you warm even when things get wet. The full-length zipper wraps around the footbox for easy ventilation. A snagless draft tube prevents air from sneaking in and fabric from catching.Get the best out of your new Sleeping Bag click here for sleeping bag care instructions. FeaturesSpirafil High Loft Insulation for Maximum warmth and durabilityLightweight, Highly Compressible Bag Ideal When Space and Weight are at PremiumFull Length Locking YKK Two Way ZipperEN Tested"Feely" Draw CordsSnagless Draft TubeTwo Way Zipper SlidersBlanket ConstructionTwo Hang LoopsZipper GarageCompression Stuff SackProduct SpecsMain materials: 50d 100% Polyester 2.1 oz/ydBag temperature: 55AdegF FahrenheitInsulation:SpiraFil LTLining: 50d 100% Polyester 1.3 oz/ydShoulder Girth: 60in (152.4cm)Hip Girth: 58in (147.3cm)Footbox Size: 40in (101.6cm)Length: 84" (213 cm)Pack volume: 167ci >> 2.75 litersWeight: 1lbs 13oz (820g)