Sleep in the Backcountry with all the comforts of homeThe award-winning Backcountry Bed Sleeping Bag features a new contoured shape & updated materials to create a more thermally-efficient backcountry experience all at a lower weight.FeaturesPatent-pending zipperless design provides an ultra-comfortable lightweight bagOversized integrated comforter gives all the comforts of your bed at homeFull-length, insulated hand/arm pockets help to seal out drafts and seal in warmthPatented self-sealing foot vent provides fast and easy ventilationStretch cord closure system helps to seal out draftsSleeping pad sleeve keeps pad under you for comfort and warmth, and replaces unnecessary bottom insulationMaterialsInsulation: 650FP 85/15 GDD DriDownShell Fabric: 20d polyester ripstopLiner Fabric: 20d polyester taffetaTechnical SpecificationsRegularTemperature Rating: 20F / -6.6CISO Limit Rating: 16F / -8.9CISO Comfort Rating: 28F / -2.2CFill Weight: 20.6 oz. / 584 gWeight: 2 lb. 6.4 oz. / 1.09 kgFits Up To: 6' 0" / 183 cmLength: 80" / 203 cmShoulder Circumference: 61" / 155 cmHip Circumference: 60" / 152.4 cmFootbox Circumference: 41" / 104 cmStuff Sack Size (L x W): 20" x 12" / 50.8 x 30.5 cmSource: Imported Sierra Designs Backcountry Bed 650F 20 Degree Sleeping Bag - Regular