Engineered to deliver measurable improvements in your training, the Zoom Tempo NEXT% running shoe sits on a fusion of powerful, high-performance technologies. It's built from the ground up with the propulsive energy return of the ZoomX foam that distributes foot pressure evenly to responsive Zoom Air units under the forefoot. The flexible Flyknit upper moves naturally with your foot for distraction-free flexibility whether you're working to amp up your speed or extend your miles.