Baffin Women's Madison Waterproof Boot 100% Leather Rubber sole Shaft measures approximately 15.25" from arch Heel measures approximately 1" Boot opening measures approximately 15.5" around ICEPAW anti-slip outsole for extra grip on slippery surfaces Treated nubuck suede upper resists water and salt stains Baffin's own B-Tek hollow fiber insulation for dependable warmth Rated to -4 degrees Fahrenheit making it ideal for rain, slush and snow Removable thermal insole