Bogs Sidney Lace B. Plaid Winter Snow Boot 100% - 53% Rubber/47% Textile Imported Rubber sole Shaft measures approximately 6" from arch Boot opening measures approximately 8.5" around Comfort rated to 5 degree Fahrenheit Constructed with 5mm neo-tech insulation for warmth Bogs max-wick moves sweat away from your foot to keep you dry Landed with durafresh bio-technology that activates to fight odors 100percentage waterproof