From FitFlop, the Fino Beadie-Button Ornament Thong Wedge Sandals feature: Synthetic upper These shoes have been granted the American Podiatric Medical Association Seal of Acceptance, for footwear found to promote good foot health Chunky beaded buttons detail Slip on Ergonomically engineered to help optimize your body's alignment, natural movement & energy Light pressure-diffusing Microwobbleboard™ midsole triple-density cushioning follows 3 footstep stages (firm heel/soft middle/medium at toes) Natural arch support Rubber outsole Approx. 1.5" wedge height Imported.