Description of Mountain Hardwear Phantom 0° Sleeping Bag A favorite among the Mountain Hardwear alpine climbing team, the Phantom™ 0 is our lightest four-season bag. This snug mummy cut bag is insulated with 800-fill down, built from Superlight 15 denier fabric and tuck-stitched for durability. The Phantom 0 uses every trick in the book to keep you warm while being as light as possible. "The Holy Grail of sleeping bags - compact, warm, lightweight and comfortable. If you are not sure what to expect, this is the bag to bring." – Andrew McLean, Ski Mountaineer Features: Insulation: 800-fill Down Temp. rating: 0 F / -17 C Lining: 20D Nylon Taffeta Shell Fabric: Superlight 15D Weight: 2 lbs, 10 oz / 1190.00 g Size: REG, LONG, REG, LONG, REG, LONG Loft: 7.50 in / 19.05 cm Stuffed diameter: 8.00 in / 20.32 cm Stuffed length: 16.00 in / 40.64 cm Fill weight: 1 lbs, 12 oz / 793.80 g Inside length: 78.00 in / 198.12 cm Shoulder girth: 60.00 in / 152.40 cm Foot girth: 38.00 in / 96.52 cm Nylon mesh storage sack and stuff sack included 3/4 length, lightweight two-way zipper Tight 5" baffle spacing keeps down from shifting and prevents cold spots Single-handed draw cords simplify adjustments Performance mummy is cut snug, for maximum warmth with minimum weight Insulated draft tube and collar block cold spots Comfort Footbox follows natural foot position for maximum warmth and comfort Face gasket and tailored hood comfortably block drafts at the hood opening and seal in warmth