CABELA’S XPG Minus -40F 750 fp Down Mummy Sleeping Bag with Rectangular bottom foot bed. Size: Long with Rectangular End. Insulation Filling: Goose Down. Waterproof / Breathable WPB fabric outer shell. Silky Nylon inner fabric. Drawstring around mummy face. Down Draft Tube around shoulder – neck perimeter. Dual Down Draft Tubes along entire zipper perimeter. Comes with original loose stuff sack, and compression sack. This sleeping bag has been custom sewn to slide a gathered end hammock through the middle of the sleeping bag. The foot end zips open to slide hammock through. The head end has been custom sewn with a velcro opening to expand the black nylon fabric hammock sleeve with drawstring end to go around the end of the hammock. The user lays in their hammock without laying on the backside of the goose down. The sleeping bag completely surrounds the user with NO cold backside or cold anything. See pics for size and specifications. Cabela’s XPG Size Long with Rectangular End Minus -40 Down Sleeping Bag is in excellent condition. Sleeping bag was custom sewn with no loss of down. Gently used and NO rips, tears. Zippers and cinch cords work perfectly. Lots of loft in this sleeping bag! Lots of room in this sleeping bag for a hammock and a bigger guy!