Meet Nike Free 4.0 Flyknit Men’s Running Shoe, the next generation of natural motion comfort. By removing the lateral seam, its one-piece upper conforms to your foot and moves with the integrated Flywire cables for an incredibly adaptive fit.
- Flyknit upper construction provides breathability, stretch and support
- Hexagonal flex grooves promote natural range of motion
- Lateral seam is removed, creating a one-piece upper