✔ A one-piece Flyknit upper conforms to the shape of your foot for a snug feel.
✔ The incredibly flexible Nike Free sole moves with you, mimicking the movement of your foot by expanding and contracting with every landing and push-off, for a freeing, natural feel.
✔ Strong yet feather-light Flywire cables work with the laces to provide more support as you tighten them.
✔ Single seam on the inside of the heel for a smooth feel
✔ Heel is rounded to roll with the ground on heel strike