From Vionic, the Winny Perforated Leather Lace-Up Sneakers feature: Premium perforated leather upper Lace up closure Back pull tab Fabric lining Built-in VIO MOTION technology footbed with contoured arch support and deep heel cup Lightweight, flexible midsole Durable rubber outsole Approx. 1" heel height Approx. 0.75" platform It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support. Imported.