Big Agnes Dream Island 15F Degree Double Wide Sleeping Bag Integrated pad sleeve(s): Never roll off your pad(s) again using one 50" x 78" or two 25" x 78" pads. Rectangular shape offers more room in foot box and shoulders Shell: Nylon. WR surface treatment to repel water Lining: Soft, breathable nylon with stain resistant finish. 70 in. YKK #8 zippers on each side of the bag.