The Kelty Callisto 35 Degree Sleeping Bag is super comfortable and versatile enough for any kind of overnight. It has a durable build that can survive any adventure.Can be fully unzipped and opened flat for use as a blanket.Two bags can be zipped together to form a double bag.Zipper draft tube with anti-snag design.FatMan and Ribbon™ drawcords.Stuff sack included.