From Vionic, the Sage Rx Engineered Knit Recovery Slip On Sneakers feature: Breathable engineered fabric upper Slip on styling Versatile stretch knit convertible heel counter to wear up or down Soft EVA massaging footbed Dual-density foam footbed is engineered to maintain its shape and support Durable cushioned outsole Approx. 1.125" platform height Approx. 1.50" 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