Dolce by Mojo Moxy Women's Tinker Riding Boot 100% Manmade Imported Synthetic sole Shaft measures approximately 16.25" from arch Heel measures approximately 1" Platform measures approximately 0.5" Boot opening measures approximately 15.75" around Synthetic upper Mid calf boot shaft; 13" calf width Synthetic lining and insole Rubber outsole 1" heel; round toe