Brinley Co. Womens Buckle-Strap Studded Motorcycle Boots Faux leather Imported Synthetic sole Shaft measures approximately 1.5 from arch Platform measures approximately .50" Women's Studded ankle boots Upper/outsole material: Polyurethane leather, base metal/ TPR Shaft height: 8 inches Circumference: 10 inches Heel height/type: 1.5-inch block