Naturalizer Women's Macnair Wideshaft Riding Boot 100% Leather Imported Synthetic sole Shaft measures approximately 15.25" from arch Heel measures approximately 1.5" Platform measures approximately 0.5 inches Boot opening measures approximately 16.5" around Leather riding boot with wide shaft featuring motorcycle-inspired straps at vamp and heel Exposed back zipper and full-length instep zipper N5 Comfort System footbed