A tall style with so much to offer. Cole Haan's Hollis riding boots feature a fully-padded sock lining and concealed Nike AIR technology for ultimate comfort. Imported. Leather upper. Round closed-toe tall riding boots with full padded sock lining. Smooth stained outsole with raised rubber pod with concealed Nike AIR technology. Shaft: 42 cm height, 25 cm circumference. 40 mm heel. Man-made sole. Please note: Shaft height and circumference may vary by size.