From Vionic, the Elara Suede Knotted Detail Slide Sandals feature: Soft suede upper with knot detail Slip-on design with adjustable hook-and-loop straps Synthetic lining VIO MOTION technology footbed with built-in arch support and deep heel cup Synthetic outsole Approx. 0.75" platform height Approx. 1.125" heel height Imported. Sizing Notes: It is recommended to wear your new pair for a few hours to allow your feet to adapt to the new support.