Carhartt Women's Work Boot 100% Leather Synthetic sole Shaft measures approximately 4 1/2" from arch Heel measures approximately 1 1/2" Platform measures approximately 1 Boot opening measures approximately 10 1/2" around Oil- and slip-resistant Cascade 1 sole Lightweight, flexible, and durable direct-attach construction Durable, moisture-wicking Cambrelle lining Removable insole