Watch: The science behind the world’s fastest shoe

Since then, the shoe has been the weapon of choice of elite athletes like those competing in the 2022 Boston Marathon. Why?

Because Nike designed the shoe to literally make you faster.

To not wear the Vaporfly has become a disadvantage.

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So how exactly does this shoe increase speeds and should it even be allowed in competition?

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By Tracy Lee Stark
Read more on these topics: technology