Chinook Kodiak Extreme Mummy Synthetic -40-Degree Sleeping Bag, Orange Excellent winter bag with a temperature rating of -40DegreeF (-40DegreeC) Four layer shingle construction filled with Insufil Thermo insulation for high warmth without bulk Carries a limited lifetime warranty Measures 90-Inch x 34-Inch (at shoulder), 22-Inch (at feet) (229 x 86, 56 cm) Overall weight of 5.7 pound (2.6 kg)