Ensure your weekly training runs and shatter your personal records with a hard-wearing shoe that goes everywhere with you, from your daily runs to the finish line of your favorite race. It offers comfort and reliability, but with the feel of propulsion for added speed and freshness. This level of versatility is rare in the world of running. But who says you can't have it all? The newly integrated ZoomX foam in the midsole takes an already reliable and popular shoe to a level of performance not previously achieved by the Zoom Fly 4. This addition makes the cushioning system lighter and more responsive. Take advantage of these versatile features to free up your stride, gain speed and have fun during your run. The forefoot and heel are slightly wider to create a stable platform, perfect for tackling turns and long runs with confidence. The full-length articulated plate offers a propulsion feel and smooth transitions at all speeds. It gives a forward-rolling feel that propels you to the finish line. The upper is made of lightweight mesh for a softer, more breathable shoe that conforms to the shape of the foot. Dynamic lacing and a snug fit wrap the midfoot for a contoured, secure fit.