Klogs USA Women's Verona Mule 100% Leather Imported Synthetic sole Shaft measures approximately 3.75" from arch Heel measures approximately 1.25" Boot opening measures approximately 11.5" around Soft leather upper Flexible, durable polyurethane anti slip outsole for oily, wet conditions Light weight, odor resistant, anit-microbial, cushioned, supportive removable polyurethane insole Non-marking outsole