If value is your game, look no further than the Slumberjack Forest 0 Degree Rectangular sleeping bag. Constructed with extra Slumberloft insulation for warmth, and durably constructed to last, the Forest 0 Degree is a great choice for your cold weather adventures. Slumberloft synthetic insulation. Polyester taffeta shell and lining. Durable construction ensures stable insulation over time. Anti snag zipper protection. Draft tube along zipper keeps out cold air and prevents heat loss. Zip together feature allows two same size rectangular bags to be joined, making a double wide bag for two. Double offset construction Stuff sack included. Regular right zip only.