NIKE FREE

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SET YOUR FEET FREE
Engineered for natural range of motion, Nike Free technology sets your feet free so you can run the way you’re meant to.

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All Natural Movement
The Nike Free outsole has laser-siped flex grooves, which release stiffness in the foam and allow it to move as naturally as the foot does.

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Barefoot-Like Feel
It’s not just the minimal design and breathable upper materials—Nike Free is shaped to the anatomy of the foot so it fits like a second skin and feels like a natural extension of your body.

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Fine-Tuned Flexibility
From top to bottom, flexible materials make it easy for the foot to move every way it needs to.

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Nike Free Series

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The Nature and Science
of Free

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Tobie Hatfield, Athlete Innovation Director and Eric Avar, VP of Innovation conducted an exhaustive series of measurements to learn how the bare foot behaved while running. It was one of the first studies of its kind, and it gave them the data they needed to officially begin design on the first Nike Free.

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Nike Free hits the same barefoot benchmarks first measured in the lab: balanced heel-to-toe pressure gradients, a 33-degree toe-off angle, and a more neutral pronation pattern.

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Once the study of barefoot running was complete, the team got started on the initial designs. The mission was clear: Set the 52 muscles of the feet free.


“They can get any shoes they want, and they want to run barefoot!”
Tobie Hatfield, one of the designers of the first Nike Free, after observing an elite track and field team training barefoot.

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Nike Free resembles the pressure profile of the bare foot much more closely than traditional footwear.

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Nike Free Scale

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Nike Free always helps enhance your body’s natural motion, but the barefoot-like-running experiences vary from shoe to shoe. These variances are graded on the Free Scale. The lower the number, the more barefoot-like the shoe.

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EXPLORE OTHER NIKE INNOVATIONS See how Nike products adapt to and enable astonishing athletic feats.