A race-ready essential, these men's Flyknit Racer trainers from Nike perform with the comfort, feel and fit of a sock. Lightweight and adaptive thanks to their Flyknit upper and Flywire cables, a forefoot Zoom Air unit delivers bouncy, supremely responsive cushioning with every transition. To the outsole, diamond patterning equips your feet with racing-specific traction so you're ready to take on whatever's in front of you.. Material: Textile Upper/Synthetic Sole