The 0 Marmot Womens Ouray 650FP Down Mummy Sleeping Bag challenges your own bed as your favorite place to settle down for the night. Its filled with a water resistant 650 fill power goose down piled extra deep around the torso and feet. Numerous innovations and cutting edge technologies, including design updates that shave weight and increase compressibility, make this bag a lightweight, portable environment that's just begging to be tested in the wild. 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. Womens specific fit with more insulation in key areas. EN Tested: Comfort: 3.2F 16.0C Lower Limit: 12.3F 24.6C Extreme: 54.2F 47.9C Down filled collar with easy access drawcord. 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.