Journee Collection Womens Slouchy Over-the-knee Boots pleather Shaft measures approximately 23.75 from arch Heel measures approximately 3.25 inches" Boot opening measures approximately 14 around Heel measures approximately 3.25 inches. Taken from a size 6. Additional hidden platform measures approximately 0.75 inches. Shaft height measures approximately 19 inches uncuffed. Circumference measures approximately 15 inches. Faux leather upper/man-made outsole