The robust Slumberjack Timberjack series of sleeping bags are feature rich, and are designed for maximum comfort and warmth. For chilly nights, the Slumberjack 20 Degree Timberjack Rectangular is a great choice. With a soft-touch lining and pillow pocket, your are assured a cozy night's sleep. And the amazing value will assure you pleasant dreams. Integrated pillow pocket, stuffs into its own storage pocket when not in use. Zip together feature allows two same size rectangular bags to be joined, making a double wide bag for two. Stuff sack included. Regular is right zip only.