Alpinizmo High Peak USA Alpine Pak Sleeping Bag, Grey/Red 323X83X205; Fill weight 1 lbs. 10oz; Carry weight 3 lbs. 2oz; Cozy Loft Micro-X insulation; Double layer construction; Rip stop polyester shell; Polyester taffeta lining Temp rating at 20F; Sew-in Draft Tube and Chest Collar; Hood with Drawstring closure and barrel lock Two bags can be zipped together; No.5 Anti snag zipper, Left Zipper Windshield; Anti snag Zipper band; Thermal Collar; Light weight Compression sack included