Get a workout while you walk in FitFlop Women's Dash Ankle Boots This FitFlop boot is built with a patent-pending, triple-density MicrowobbleboardTM midsole, developed by biomechanists at the Center for Human Performance at London South Bank University. Originally designed to activate leg and bottom muscles, studies show the FitFlop also offers excellent shock absorption and relief from underfoot pressure. Topped with a suede upper and decorative side buckle.