Brinley Co Women's Lace-up Platform Ankle Bootie Synthetic Rubber sole Shaft measures approximately 2.5 from arch Platform measures approximately 1.75 Boot opening measures approximately 12 around Heel height measures approximately 5 inches. Taken from a size 6. Platform height measures approximately 1.75 inches. Shaft height measures approximately 2.5 inches. Circumference measures approximately 12 inches. Faux leather upper/man-made outsole