Nike Alphafly Next% vs Nike Vaporfly Next% 2: Which should you buy? | Tom's Guide
London, UK. 17 May 2021. "Nike Air Zoom Alphafly NEXT%", 2020, and "Nike ZoomX Vaporfly NEXT%", 2019. Eliud Kipchoge wore prototype Alphafly to run a marathon distance in under two hours. Preview