From Vionic, the Larissa Leather Bow Detail Ballet Flats feature: Premium leather upper Mini wedge flat with a almond-shaped toe Slip on styling Synthetic lining Built-in VIO MOTION Technology footbed with contoured arch support and a deep heel cup to provide stability & forefoot flexibility Flexible EVA midsole absorbs shock, reducing stress on feet, ankles & knees Approx. 0.75" heel height Imported. It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support.