It's free, fun, and promotes your physical and mental well-being - running is simply great. FitFlop has set out to develop the most comfortable running and training shoe in the world. Biomechanically optimized for endurance running, such as a 10k race (but also suitable for sports, gym workouts, or simply to increase daily activity). Ultra lightweight. High performance. Made from soft, stretchy mesh designed for high breathability in the upper and toe areas, with additional support on the sides and arch. 3D-printed details and shaded effects in the sole enhance the aesthetics. Padded collar and tongue. If the FF Runner doesn't get you running, nothing will.