Lightweight, Ready to Race Introducing the latest version of FlyKnit—AtomKnit. Flyknit fabric is stretched, steamed and set, delivering a lightweight, contoured fit with minimal water absorption and enhanced breathability. Tough Grip The plate’s design was created using data from hundreds of runners. The result is an outsole with increased stiffness and reduced weight. Peaks throughout the plate provide traction, giving your foot grip as you run around turns. It includes 8 removable stainless-steel pins to grip the track. Ideal for 100m-400m sprinters World Athletics approved