FitFlop Women's Bon Dress Sandal 100% Leather Rubber sole Heel measures approximately 1.75" Platform measures approximately 1" Aegis treated microfiber lining Adjustable strap 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!