Hailey Jeans Co Womens Buckle Detail Slouchy Boot Synthetic Shaft measures approximately 16 from arch Boot opening measures approximately 16 around Sole height measures approximately 0.75 inches. Taken from a size 6. Shaft height measures approximately 16 inches. Circumference measures approximately 16 inches. A slightly padded footbed adds comfort. Faux suede upper/man-made outsole