Alpinizmo High Peak USA TR 0 Mummy Sleeping Bag with Stuff Sack, Green/Black, Regular 100% Polyester Imported Size : 33.5" x 90.5" x 21.6" ; carry weight : 3 lbs 5 oz ; Insulation : hollow fiber ; double layer construction ; two bags can be zipped together Polyester Pongee lining for comfort ; sewn in draft tube an chest collar ; Hood with drawstring and barrel lock ; two way zipper ; windshield Thermal collar ; Temp. Rating down to 0 F