The SPRINT PRO 3.0 SF is designed for players who are looking for more speed on clay courts. The revolutionary SuperFabric® material on the forefoot is exceptionally durable, lightweight and flexible, while the OrthoLite sockliner offers additional comfort. Among other technologies, the new Delta Straps and TPU heel counter keep your foot in place as you slide, sprint and rally on clay courts. A herringbone tread ensures optimal grip on clay