The Nike Free Flyknit 4.0 Running Shoe continues the tradition of Flyknit with a woven upper that conforms to the foot for breathable, lightweight comfort with each stride. Flywire cables deliver support without extra weight, while the flexible Nike Free midsole/outsole gives you natural range of motion over any distance.
Flyknit upper for ultra-lightweight support and breathability
Flywire cables for lightweight support and an adaptive fit
Knit-in ventilation holes at the quarter panel for enhanced breathability
Nike Free midsole with hexagonal flex grooves for multidirectional flexibility