From Vionic, the Hattie Canvas Mary Jane Flats feature: Canvas fabric upper  Received the APMA Seal of Acceptance Modern square toe Functional buckle closure with leather strap VIO MOTION Technology footbed with contoured arch support, shock-absorbing cushioning and a deep heel cup to provide stability & forefoot flexibility Removable lightweight EVA insert 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.