Nike's controversial Vaporfly shoes are helping runners set new records, but some think it's 'technology doping.' Here's how they work. | Business Insider India
![By Wearing Vaporfly Prototypes, Eliud Kipchoge, Galen Rupp, & Shalane Flanagan Are All Guilty of Mechanical Doping in 2016 - Will Anything Be Done About It? - LetsRun.com By Wearing Vaporfly Prototypes, Eliud Kipchoge, Galen Rupp, & Shalane Flanagan Are All Guilty of Mechanical Doping in 2016 - Will Anything Be Done About It? - LetsRun.com](https://www.letsrun.com/wp-content/uploads/2020/01/women-rio-no-vaporfly.jpg)
By Wearing Vaporfly Prototypes, Eliud Kipchoge, Galen Rupp, & Shalane Flanagan Are All Guilty of Mechanical Doping in 2016 - Will Anything Be Done About It? - LetsRun.com
![World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian World Athletics gives seal of approval for controversial Nike Vaporfly shoes | Athletics | The Guardian](https://i.guim.co.uk/img/media/e0330d85e02744f2f3f5048839c4f4562f58fb45/0_0_3500_2100/master/3500.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=9887a06dab40fdf3bbf7f5bf248e49ef)