The Solution Speed FF 3 is designed for the all-court tennis player who´s seeking a fast and lightweight shoe that´s built for stability. Featuring Speedtruss™ technology, this shoe improves your agility to move around the court. It also helps you experience better acceleration when dashing forward. Meanwhile, the new upper and outsole offer better flexibility, which allows you increase your speed on the court.Specifications:- Material Type: Synthetic Fiber- Sole Material: Rubber- Upper Material: Synthetic Fiber