BCBGeneration Women's Jericho Combat Boot 100% Leather and synthetic Imported Synthetic sole Shaft measures approximately 17.5" from arch Heel measures approximately 1.5" Boot opening measures approximately 14" around silky leather upper with elastic back for a great fit and easy on/off foam footbed for comfort scored synthetic outsole for traction approx. 16 shaft height; 13.8 shaft circumference 1.4" heel, Imported.