A few years later, the barefoot movement took root and the Free was more broadly adopted for jogging on blacktop. Nearly every manufacturer turned out exceptionally thin and flexible shoes at the time. The Free is still around, however, and is once again being positioned as a training tool. When showing us early samples of the new Free RN 5. This new model, however, vaguely resembles the insanely flexible models of the barefoot days, with a radical new shaping to the foam midsole.
The Nike Free RN 5.0 Returns to Its Roots as a Foot-Strengthening Tool
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The extreme flexibility of the grooved sole allows your foot to move as it wishes, not being forced to move how the shoe wishes. Learn more about these shoes and how they can fit into your walking wardrobe. Nike shoe designers used pressure mapping and motion capture to determine what is going on with your feet when running and walking barefoot on grass. They put this data into designing a shoe that is supposed to train the intrinsic muscles of the foot, strengthening your foot and giving you more natural stability. Nike continues to innovate with this line.