From Vionic, the Carmela Leather Strappy Sandals feature: Leather upper Received APMA Seal of Acceptance Slip on styling Adjustable hook-and-loop strap with buckle detail Synthetic lining Built in VIO MOTION technology footbed with arch support, shock-absorbing cushioning and deep heel cup for stability Durable rubber outsole Approx. 0.75" platform height Approx. 1.5" 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.