From Vionic, the Gracia Leather Slip On Flats feature: Premium leather upper Slip on styling Modern snip toe  Synthetic lining Built-in VIO MOTION Technology footbed featuring contoured arch support and a deep heel cup to provide stability & forefoot flexibility  Flexible EVA midsole absorbs shock and reduces stress on feet, ankles & knees TPR outsole Approx. 0.5" 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.