From FitFlop, the Gracie Leather Strappy Backstrap Sandals feature: Leather upper Adjustable buckle backstrap closure Synthetic lining Ergonomically engineered to help optimize your body's alignment, natural movement & energy High-rebound Dynamicush™ midsole – responsive cushioning engineered for lasting comfort Natural arch support Light tread rubber outsole for steady, flexible grip Approx. 1.2" wedge height American Podiatric Medical Association Seal of Acceptance, for footwear found to promote good foot health  Imported.