Cutting Through the Nike Vaporfly ControversyThe current version of Nike's controversial Vaporfly sneakers won’t be banned in competition, track and field’s world governing body ruled on Friday. That's likely to fuel further debate about whether the high-end racing shoes offer an unfair advantage. We took a look at the tech inside the shoes to see what all the fuss is about. Photo/Video: Alexander Hotz/WSJ

Source: Wall Street Journal February 05, 2020 04:18 UTC