Aerosoles Women's Wonderful Riding Boot 100% Fabric Imported Synthetic sole Shaft measures approximately 16.5" from arch Heel measures approximately 2.5" Boot opening measures approximately 15.5" around Extended-calf boot featuring sculpted wedge heel, adjustable buckles at ankle and cuff, and contrast stitching Two side zippers, one full length Double padded memory foam insole Diamond-patterned sole