Ariat Men's Workhog Wide Square Toe Tall II Compositie Toe Distressed Boot 100% Leather Imported Synthetic sole Shaft measures approximately 10.75" from arch Boot opening measures approximately 13.75" around Premium full grain leather ATS Advanced Torque Stability technology with composite forked shank Wide Square Toe Profile Leather Lining U-Turn Soft toe is ASTM 2892-11 EH rated