Nike Free Run Flyknit NWOT

These shoes are designed to flex and mimic barefoot running for a natural range of motion. They are designed to expand, flex and contract with your foot. They have a sock-like upper that has stretch yarns that hugs your foot. They are so light that the box feels empty when you pick it up! EUC worn <5 times-tread is near perfect, much life left. Smoke free home!