Big Agnes Gunn Creek 30 Degree Sleeping Bag Synthetic Insulation: INTEGRITY: Short Staple synthetic insulation with 97% recycled content. Integrated full pad sleeve. Never roll off your pad again. Rectangular shape offers more room in foot box and shoulders Insotect Tubic is a revolutionary tubular insulation system engineered to provide the maximum cubic loft for supreme thermal efficiency and user comfort No-draft collar seals around neck to keep cold air from sneaking in. No-draft wedge insulates the connection between the bag and pad. No-draft zipper tube insulates along the length of the zipper Built in pillow pocket holds a fleece or Big Anges pillow. Interior fabric loops for sleeping bag liners. Mesh storage sack & nylon stuff sack included. 70" YKK #8 zipper. Mate together any of Big Agnes' left and right zip bags with the same size zipper REG fits up to 5'10". LONG fits up to 6'6". Pad Size; Reg - 20"x72". Long - 20"x78". Bag Weight: Reg- 2lbs 15 oz , Long - 3lbs 5oz . Fill Weight: Reg - 20 oz , Long - 22 oz. Compressed Size: Reg - 8" x 9", Long - 9" x 9". Stuff Sack Size: Reg - 8" x 17.5", Long - 8" x 17.5". Shoulder Girth: Reg - 70". Long - 73". Hip Girth: Reg - 66". Long - 69". Foot Girth: Reg - 54". Long - 55"