From Birkenstock, the Women's Highwood Leather Chelsea Booties feature: Natural leather upper Pull on design Moisture-wicking microfiber footbed lining BIRKENSTOCK Deep Blue footbed shapes to your foot with wear BIRKENSTOCK cork PU midsole Rubber outsole Approx. 5.5" shaft height Approx. 7.5" shaft circumference Approx. 1.25" heel height Imported.