By AFPMore by this AuthorPARISThe suspicion that World Athletics could ban Nike's Vaporfly shoes over fears they give runners an unfair edge gave a boost to the performance of some of the sportswear giants' rivals on Thursday. Later in Frankfurt, Puma shares jumped more than half a percent in the morning but German rivals Adidas, after an early bounce, fell back. AdvertisementThe basic Nike Vaporfly has a carbon blade in the sole, which stores and releases energy on each step, and air cushions. "It's the person who is running, not the shoe. It's the person driving, not the person making the tyres."

Source: Daily Nation January 16, 2020 15:22 UTC