Ariat Men's Workhog Mesteno Wide Square H2O Composite Toe Work Boot 100% Leather Imported Duratread sole Shaft measures approximately 11" from arch Heel measures approximately 1.5" Boot opening measures approximately 16" around Waterproof Pro construction with waterproof full grain leather foot ATS Advanced Torque Stability technology with composite forked shank Wide Square Toe Profile Synthetic Lining Oil and slip resisting outsole Waterproof Pro Safety toe is ASTM F2413-11 M/I/75 C/75 EH rated