Rockport Women's Seven To 7 Ally Buckle Chelsea Boot 100% Leather Imported Rubber sole Shaft measures approximately 5.5" from arch Heel measures approximately 3.5" Platform measures approximately 0.5" Boot opening measures approximately 10" around Dual density hidden platform provides soft core for extra shock absorption and flexibility Dual density heel top lift provides soft bottom layer for extra shock absorption Outsole provides a durable grip on a variety of surfaces Nanoglide lining helps reduce friction and increase abrasion resistance