![Runner's World on Twitter: "Exclusive: We Tested the Nike Vaporfly 3 https://t.co/WIlvmbeUmK" / Twitter Runner's World on Twitter: "Exclusive: We Tested the Nike Vaporfly 3 https://t.co/WIlvmbeUmK" / Twitter](https://pbs.twimg.com/amplify_video_thumb/1630315252595163136/img/oauU8hipIsL6PXEN.jpg)
Runner's World on Twitter: "Exclusive: We Tested the Nike Vaporfly 3 https://t.co/WIlvmbeUmK" / Twitter
![Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World](https://hips.hearstapps.com/hmg-prod/images/1076/breaking-2-final-nike-theshoes-1510925833.jpg?resize=1200:*)
Nike's Vaporfly 4% Shoes Really Did Boost the Running Economy of Everyone Tested, Says Study | Runner's World
![Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox](https://cdn.vox-cdn.com/thumbor/0wR4_iMKBP2QMy3OLXyKhchU4xM=/0x0:4664x3104/1400x1050/filters:focal(2260x1658:3006x2404):no_upscale()/cdn.vox-cdn.com/uploads/chorus_image/image/65615828/947441286.jpg.0.jpg)
Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![Shoes with 3D print TPU uppers help Kipchoge to London Marathon win | Urethanes Technology International Shoes with 3D print TPU uppers help Kipchoge to London Marathon win | Urethanes Technology International](https://s3-prod.utech-polyurethane.com/s3fs-public/styles/1200x630/public/Nike-vapor-Fly-Elite-Flyprint-3d-print-2018-Credit-Runners-World-London-Virgin-Marathon.jpg)