A masterpiece. (And likely the style responsible for widespread FitFlop fanaticism.) Clean lines, minimalist mod, sports-styled construction, our WALKSTAR 3 is that "goes with anything you"ve got on" sandal that you"re always happy you"ve got. Now in a variety of materials (bright patents, cracking metallics and neutral nubuck/leather). With our biomechanically engineered Microwobbleboard midsole.FitFlop footwear is built with patent-pending, biomechanically engineered Microwobbleboard midsoles. Originally designed to activate leg muscles more, studies show they also offer excellent shock absorption and instant relief from underfoot pressure.FitFlop footwear has the potential to increase muscle activity duration and workload, so should be used progressively. If you: a) have any health concerns, and/or b) are pregnant, and/or c) experience any discomfort as a result of wearing them, please consult a medical practitioner before starting or continuing to wear FitFlop footwear.