The Eureka Cayuga 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 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.