From Dr. Martens, the Amaayah Hi Orleans Leather Riding Boots feature: Leather upper Zipper closure Leather lining Made with a Goodyear-welted lines that are heat-sealed and reinforced with the signature welt stitch air-cushioned rubber outsole, which is oil and fat resistant with good abrasion and slip resistance Approx. 16" shaft height Approx. 16" shaft circumference Approx. 0.91" platform height Approx. 1.38" heel height Imported.