The Daisy Mae sleeping bag from Big Agnes is an insulated sleeping bag, specifically made for women. This sleeping bag is part of the Big Agnes System, which has a spot to put a certain size sleeping pad in the sleeves for it to prevent bunching and movement of the sleeping bag throughout the night. With technical fabric and construction, warm down insulation and many comfort features, it is lightweight enough for backpacking but cozy enough for the campground, too. Shell: Nylon rip-stop shell fabric with water repellent finish. Polyester Taffeta lining. Mummy shape. Insulation: 650 fil DownTek water-repellent down insulation. Contoured silhouette drapes the lofty insulation around your body, preventing common cold spots; ample insulation is placed specifically for a women's thermoregulation. Insotect Flow 841487122508 33858200006 BWDM15PR19