The Kelty Cosmic Sleeping Bag is a three-season mummy bag designed for warmth and durability. It features CirroLoft ECO synthetic insulation and a durable nylon shell with water-repellent treatment. Offset quilt stitching prevents cold spots, and dual locking zippers offer smooth venting. The contoured hood with an insulated upper tube ensures a draft-free fit. It includes an internal stash pocket and comes with a compression sack for easy packing.