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Nike's controversial Vaporfly shoe that set records with 'built in secret weapon' might be banned - YouTube
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Rome Italy June 2020 Nike Running Shoes Alphafly Next Controversial – Stock Editorial Photo © kovop58@gmail.com #386010916
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Controversial Nike Vaporflys to escape ban but running shoe rules will tighten | Athletics | The Guardian
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World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian
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