The Eureka Cayuga BIG 15 Degree Sleeping Bag is a double layer, off-set stitched, rectangular cut sleeping bag insulated with ThermaShield synthetic fill which maintains its insulating properties even when wet. The Cayuga BIG features an additional 6 in. in both length and width, providing enough room for larger campers and those that just want to be able to stretch out. The Cayuga also has a comfortable cotton flannel liner and 2-way zippers that feature self-repairing coils for durability and ease of use. The Cayuga includes a coated polyester stuff sack provides protection during transport.