Height: 8.25 inchesWeight: 3.5 lbs per pairCircumference: 12 inches (size 9)Comfortable down to -40°FUPPERSeam-sealed waterproof genuine suede upperLeather is from a tannery rated gold for its water, energy, and waste management practicesLace up styleWaterproof gusset tonguePadded collar and D-ring lacing systemHEAT-MX™ sustainable thermal insulation with foam insulationINSOLE8 mm Zylex® felt footbed for added protection and warmthOUTSOLEWaterproof and flexible synthetic rubber shellSNOWTREAD outsole with deep, self-cleaning treads for stability in snowy conditions