FitFlop Women&#39;s Freeway Slide,Black,10 M US,FitFlop,Freeway" /> Patent leather and textile Synthetic sole Our patent-pending, original MICROWOBBLEBOARD(TM) midsole technology fuses three diagonal sections of triple-density EVA into a single, seamless, underfoot platform to absorb shock, diffuse high-pressure spots, and make your feet feel amazing!