Get Down in the Get Down A 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. Features: 550 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 interior Anti snag zipper tracks for easy use Hood cinch to keep in heat when the temps drop Hand pocket to use bag like a blanket for bed-like comfort Lower zipper location gives bag a more relaxed fit for comfort and more room to wrap around when not fully zipped Compressible and compact down bag is ideal for backpacking ISO tested Stuff sack included for easy pack up and transport Materials: Liner: 20D Polyester Shell: 20D Polyester Insulation: 550 FP DriDown Technical Specifications: Regular Temperature Rating: 20°F / -6.67°C ISO Limit Temp Rating: 17° F / -8.33° C ISO Comfort Temp Rating: 29° F / -1.6° C Weight: 2 lb 3 oz / 0.93 kg Fill Weight: 18.0 oz / 510.29 g Fits To: 72.0" / 182.88 cm Length: 78.0" / 198.12 cm Shoulder Circumference: 62.0" / 152.4 cm Hip Circumference: 58.0" / 147.32 cm Foot Circumference: 40.0" / 101.6 cm Stuff Sack Size: 7.5 x 15 in / 19 X 38 cm Source: Imported Sierra Designs Get Down 550F 20 Degree Sleeping Bag - Regular