The Nike Vaporfly has been deemed controversial with some comparing it to doping - ABC News
Vaporfly shoes will help me reach my marathon dream. Should I use them? | Marathon running | The Guardian
Nike Vaporfly shoes cleared for use after marathon controversy | news.com.au — Australia's leading news site
Nike Air Zoom Alphafly shoe will be commercially available this year | CNN
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
Nike ZoomX Vaporfly Next% 2 — when it comes to running marathons, there's nothing better | Tom's Guide
Nike's high-tech, record-breaking Vaporfly marathon shoes should be banned, Rob de Castella says - ABC News