Brinley Co Womens Faux Leather Knee High Boot pleather Shaft measures approximately 17 from arch Boot opening measures approximately 15.5 around Heel height measures approximately 1.25 inches. Taken from a size 7. Shaft height measures approximately 17 inches. Circumference measures approximately 15.5 inches. These western inspired boots are finished with man-made lining and rubber soles. Faux leather upper/man-made outsole