FitFlop Women's Hooper Tall 100% Leather Rubber sole Shaft measures approximately 12" from arch Heel measures approximately 1.78" Platform measures approximately 0.75 inches Boot opening measures approximately 14" around Aegis treated microfiber lining Slimmer last and rounded to shape Adjustable buckle 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!