Carhartt Women's Steel Toe 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 Lightweight, flexible and durable direct-attach construction Steel toe Removable polyurethane footbed for all-day comfort Oil- and slip-resistant Cascade 1 sole