FitFlop Women's Surfa Flip-Flop Textile Imported Synthetic sole Platform measures approximately 1 inches on FitFlop's legendary original Microwobbleboard midsoles with a generous fit (for average to wider feet) APMA* Seal of Acceptance, for footwear found to promote good foot health biomechanically engineered, comfortable flip flops with textile webbing uppers fabric toe-post for comfort and a seamless built-in arch contour slip-resistant rubber outsole