“Counterintuitively, these exacting methods of testing create more opportunities for us to be surprised,” says Kathy Gomez, Nike VP, NXT Footwear. “For example, in the Dn, you’d think the softest tube in terms of psi should go in the heel for crash landing and better transition. But actually, we found that transition was best when the firmest tube was under the heel and the softest was under the midfoot.”
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