Journee Collection Womens Slouchy Wedge Ankle Boots Synthetic Shaft measures approximately 3.5 from arch Boot opening measures approximately 10.5 around Heel height measures approximately 5 inches. Taken from a size 8. Platform height measures approximately 1 inch. Shaft height measures approximately 3.5 inches. Circumference measures approximately 10.5 inches. Faux leather upper/man-made outsole