The Superfly 11 Club is designed for fast sprints. Its snug knit cuff helps keep you secure when running the field, while a lightweight plate helps keep you on your toes for bursts in open spaces. Durability for Fast Sprints - Synthetic leather on the upper provides durability when sprinting the field. Secure Fit - Knit cuff provides a snug fit when running the field. Traction for the Field - The lightweight plate helps provide snappy bursts in the open field. Chevron studs on the outsole at the heel and forefoot provide traction for gripping both artificial and natural grass surfaces. Conical studs help you plant and pivot with ease. Product Details - For use on natural and synthetic surfaces. Cushioned sockliner.