Rubber sole Nike ZoomX foam is incredibly responsive and lightweight, delivering optimal energy return for your miles. Lightweight mesh means breathability and support made to go the distance. Created using data from hundreds of runners, the forefoot plate helps ensure a smooth transition from toe-off to heel strike. Light and breathable with a bounce to every step, the Nike ZoomX Dragonfly has the ingredients you need to take down your personal record. It delivers the speed you need to stand out from the pack in races from 1,500 to 10,000 meters.