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Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World
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Nike's Move in the "Race for a Breakthrough Foam?" The Vaporfly 4%, a Sneaker that Makes Athletes Run "Too Fast" - The Fashion Law
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Running: Nike Vaporfly 4% trainers boost elite athletes' performance by up to 1.7%, study finds | Daily Mail Online
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