BAMBOO MONTAGE-03N Over the Knee OTK Buckle Zipper Motorcycle Riding Boot Synthetic Synthetic upper, synthetic sole Heel height approx 1", 20" shaft, 16" circumference Non-skid sole and cushioned footbed. MEASUREMENT: Heel measures approximately 1 inches".Heel height approx 1", 20" shaft, 16" circumference.Runs true to size. Provide comfort in every step. 100% VEGAN FABRIC: Eco-friendly and in control. Stay true to your fashion and environmental principles with this earth conscious product.