Carhartt Men's CMW6139 6 Work Work Boot 100% Leather Synthetic sole Shaft measures approximately 7" from arch Heel measures approximately 1.25" Boot opening measures approximately 11" around 6" Work Pebbled Brown oil tanned leather Direct attached welt construction with dual density PU outsole OrthoLite insoles, comfort tongue and padded collars Molded TPU heel counter with Achilles flex join