FEATHERLITE BAG Ultralight and highly compressible mummy. Double layer construction with full-length #5 two-way zipper (0 has locking zipper), and Hibernate Extreme fill. 230T Dobby diamond rip-stop shell and 210T liner. Size: 84" x 31 x 20". Includes compression sack. * +40: Weight: 1.9 lbs (pack wt) * +20: Weight: 1.5 lbs (fill), 2.9 lbs (pack wt) * 0: Weight: 1.9 lbs (fill), 3.5 lbs (pack wt)