Lighter and more compressible than ever, 15 degree Marmot Sawtooth 650FP Down Mummy Sleeping Bag is the ultimate all around bag. The Sawtooth blends just the right down warmth with just the right weight, a healthy measure of durability and just the right bells and whistles for an industry leading bag. Insulated with certified 650 fill power down with Down Defender to improve water resistance in wet conditions. Shell is 30d 100% nylon ripstop DWR 1.5 ozsq. yd. Lining is 30d 100% nylon DWR 1.27 oz.yd. Anatomically designed footbox with wrap around construction increases warmth. Full Length locking YKK two way zipper with anti snag slider and zip guard reduces fabric snagging. EN Tested: Comfort: 27.1F 2.7C Lower Limit: 15.6F 9.1C Extreme: 17.5F 27.5C Down filled collar with easy access draw cord. Nautilus multi baffle hood. Internal stash pocket and heater pocket in footbox. Snagless insulated draft tube. Ground level side seams. Hood draw cord. Zipper garage. Stretch tricot baffles. Two hang loops. Stuff and storage sack included.