ROCKY GAP Great, oversize bag with Featherloft Elite fill, cotton flannel liner, and you can zip two bags together. Includes stuff sack. * Temperature Rating, +20: +20F/-7C; 0: 0F/-18C. * Fill +20: 3.3 lbs Featherlite Elite; 0: 4.8 lbs Featherlite Elite. * Pack Weight, +20: 5.5 lbs; 0: 8 lbs