Designed to unleash next-level speed, the Superfly 11 Pro's springy Air Zoom cushioning helps you create separation in open spaces. Up top, the streamlined fit of FlyWeave material is built to lock you in as you kick into high gear. Responsiveness for Speed - Air Zoom cushioning in the forefoot provides a bouncy sensation with each step. Streamlined Fit - FlyWeave material provides a tailored, secure fit to help fuel your speed. Traction for the Field - The studs on the plate are hollowed out to provide better traction on harder, synthetic surfaces. Additional studs on the forefoot help you change speed with confidence. Product Details - For use on longer, artificial-grass surfaces. Cushioned sockliner.