From Vionic, the Orinda Perforated Leather Ballet Flats feature: Premium perforated leather upper Slip on styling Modern square toe Synthetic lining Received the APMA Seal of Acceptance VIO MOTION Technology footbed with contoured arch support and deep heel cup Durable synthetic outsole Approx. 0.625" heel height It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support. Imported.