The Blue Lake 25 Sleeping Bag is a mummy-shaped sleeping bag, fit specificly for the contours of women’s bodies, for backpacking and camping in 25 degree weather. Shell Material: Nylon ripstop with Water-Repellent finish. Lining: Polyester taffeta. Insulation: Fireline Pro (synthetic). Shape: Mummy – Traditional mummy shape allows for lightweight and increased thermal value. Temperature rating: 25° F. Zipper: two way. Max User Height: 5ft, 10 in. . Light enough for trips deep into the wilderness. Nylon ripstop prevents minor tears when sleeping under the stars. Synthetic insulation holds heat when wet. Oversized interior anti-draft collar. Fit specific for the contours of women’s bodies. Low profile cordlock lets you un-cinch the hood with one hand. Fireline pro synthetic insulation is made with multi-denier, short-staple fibers with high loft to efficiently trap heat. Silky fibers provide a soft feel and great compression. Anti-snag zipper for a smooth, quick zip. Stuff Size: 9 in. X 20 in. Weight: 2 lbs. 8 oz. Imported.