Brinley Co Womens Zippered Platform Wedges Synthetic Rubber sole Shaft measures approximately 3.5 from arch Platform measures approximately 1 Boot opening measures approximately 10.75 around Wedge height measures approximately 4.5 inches. Platform height measures approximately 1 inch. Shaft height measures approximately 3.5 inches. Circumference measures approximately 10.75 inches. Faux leather upper/man-made outsole