Get closer to natural with the nimble Nike Free 4.0 Flyknit. Featuring hexagonal flex grooves for exceptional heel-to-toe flexibility, this neutral shoe allows you to function naturally through the gait cycle. The Flyknit upper features dynamic Flywire around the midfoot for an adaptive fit, while a seamless design keeps your foot wrapped in socklike comfort. Lace up the Free 4.0 Flyknit as a training tool or performance oriented trainer.
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