FitFlop are innovative and fashionable, its the flip flop with the built in Gym. This innovative and fashionable shoe design helps tone, trim and tighten your legs and bum with every step you take. FitFlop Microwobbleboard^ä technology was engineered in 2006 by Dr David Cook and Darren James at London South Bank University, FitFlop footwear features patent-pending, muscle-loading Microwobbleboard^ä technology to increase the time that your muscles are engaged every single time you take a step. FitFlop are instantly incredibly comfortable, with a soft microfiber lined upper and a new super-slim^ä leather  toe post (so there’s no break -in time necessary, unless you have particularly ‘together’ toes). Built with FitFlop’s doctor-developed patent-pending Microwobbleboard^ä midsole technology to improve posture, reduce plantar foot pain, reduce shock and load your bottom and leg muscles more. What are you waiting for? Just put a pair on, and get a workout while you walk^ä.