In 2017, Nike released the Nike Zoom Vaporfly Elite shoe,[1] which was advertised as "ultra-lightweight, soft and capable of providing up to 85-percent energy return." These "super shoes" became the focus of claims that they were a form of technology doping and that they provided athletes an unfair advantage.[2]
- ^ "Introducing the Nike Zoom Vaporfly Elite Featuring Nike ZoomX Midsole". Nike News. Retrieved 2020-04-08.
- ^ Futterman, Matthew (2020-01-31). "Nike Vaporfly Shoes Avoid Olympics Ban". The New York Times. ISSN 0362-4331. Retrieved 2020-05-13.