FREE and FAST SHIPPING! USA SELLER!  Nike Flyknit Racer - Dead Stock  1 size available. Size US 10 for Women, 8.5 for Men. WINTER SPRING SUMMER FALL!  The Nike Flyknit Racer features a one-piece knitted upper that is highly breathable. It is stretchable to deliver an adaptive fit and it gives added support.  This shoe also features the waffle-skin rubber outsole with diamond pattern that is racing-specific. It offers lightweight and durable traction. The Flyknit Racer is true to its size.