Timberland PRO Men's Helix Wellington Waterproof Work Boot 100% Leather Imported Synthetic sole Shaft measures approximately 10" from arch Heel measures approximately 2" Platform measures approximately 1" Boot opening measures approximately 16" around Round-toe work boot with waterproof leather upper featuring contoured single-density open-cell PU footbed and low-profile Pro Rubber Outsole;Slip, heat, oil, and abrasion resistant