MEN The Topo Athletic Cyclone 3 is your fast, lightweight performance trainer for every day running, workouts, races and more. With a Pebax Powered® midsole, Cyclone 3 delivers a responsive, energizing ride that’s as light as it is powerful. The redesigned mesh upper provides optimal ventilation and a fit so light it disappears around your foot. The rocker design ensures smooth transitions, while the strategically placed rubber outsole offers ideal traction while minimizing weight.