From Dr. Martens, the Women's Anistone Strap Crazy Horse Leather Moto Boots feature: Crazy Horse leather upper: A natural-type oil finished leather, with a worn, distressed appearance  Strap and buckle detailing Pull on design Classic Docs DNA including grooved sides and a scripted heel-loop Synthetic lining Rubber outsole Approx. 8.5" shaft height Approx. 13.5" shaft circumference Approx. 1" platform height Approx. 1.5" heel height Imported.