El Naturalis Women's Duna N537 Boot 100% Leather Imported Rubber sole Shaft measures approximately 13.5" from arch Heel measures approximately 3" Boot opening measures approximately 14" around Handmade and designed in spain^Spanish leather is vegetable tanned to be gentle on the environment^Anatomically designed cushioned footbed with arch support^Natural rubber outsoles, not manmade from harmful chemicals^Removable microfiber insole