From Vionic, the Jacynda Leather Ankle Strap Dress Pumps feature: Premium leather upper Received the APMA Seal of Acceptance Adjustable buckle closure to ensure perfect comfort and fit Synthetic lining Built-in VIO MOTION Technology footbed with contoured arch support, shock-absorbing cushioning and a deep heel cup to provide stability and forefoot flexibility Durable synthetic outsole Approx. 0.25 platform height Approx. 2.125" heel height Imported. Styling Notes: It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support.