The Mountain Trails Sycamore 30°F Sleeping Bag is warm, soft and durable. Filled with 4 lbs. of Insul-Therm polyester for insulating comfort, the quilted-polyester lining offers a like-home feel. Self-repairing coil zipper can be used to connect with another Sycamore sleeping bag. Two bundle ties provide easy storage. Machine washable. 100% polyester. Imported.