Nike Free 4.0

When Nike Free was first introduced in 2004, the main purpose was to design shoes to promote natural motion and the sensation of running barefoot. Tiered into different numbered classifications, the 4.0 falls between the most minimal (3.0) and the middle Free experience (5.0). Flyknit uppers pair with the Free midsole and outsole for a lightweight natural motion experience. Discover great colorways of the Nike Free 4.0 including the Free 4.0 Flyknit 'Black Green Orange,' ‘White Black’ and Free 4.0 Flyknit ‘Royal Crimson.’