The Nike Free RN Flyknit 2017 Running Shoe brings miles of comfort with a Flyknit constructed upper in a classic silhouette that delivers stretch and support, while the tri-star outsole pattern adjusts to your foot's every step.
- Flyknit constructed upper delivers stretch and support.
- Flywire cables provide a lightweight locked-down fit.
- Auxetic outsole with Tri-star pattern enhances flexibility.
- Injected unit sole (IU) foam is tough enough to double as an outsole dramatically reducing the shoe's overall weight.
- Heel is rounded to roll with the ground promoting a more natural range of motion.
- Textile (100% Polyester)