From Vionic, the Reese Textured Buckle Hardware Banded Slingback Sandals feature: Synthetic textured fabric upper Received APMA Seal of Acceptance Microfiber lining Built-in VIO MOTION technology footbed with contoured arch support and deep heel is shown to be effective in treating heel pain caused by plantar fasciitis or achilles tendonitis Lightweight, flexible EVA midsole Slingback strap with stretch gore to ensure comfort and the perfect fit Durable rubber outsole Approx. 0.625" platform height Approx. 1.5" 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.