For the serious technical user who demands the smallest pack size. 600+ fill power goose down insulation. 227T Nylon Diamond ripstop Down Proof outer shell. P290T Polyester Taffeta liner. Compressed slant baffle w/ differential cut construction. Fully contoured hood w/ flip-over option. Adjustable storm collar. Insulated draft tube w/ anti-snag zipper protection. Easy-grab pull tabs. Trapezoid foot box. * Comfort Range: 0° F (-18° C) * Max user height: 5' 11" * Size: 32" x 82" * Fill/Carry Weight: 1.8 lbs/3.1 lbs * Carry Size: 6" x 16"