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Nike's controversial Vaporfly shoes are helping runners set new records, but some think it's 'technology doping.' Here's how they work.
Both independent and Nike-sponsored studies have confirmed ... so the performances are less and less human," he said. Current Vaporfly models have 1.4 inch-thick soles, whereas midsoles of other ...
Nike Adds Flame Graphics to These Running Shoes
The latest Nike "Ekiden" collection shown here not only includes the aforementioned Vaporfly 3 and Zoom Fly 6 but also ...