The SOLUTION SPEED FF™ 3 CLAY tennis shoe offers unmatched speed and flexibility for a dynamic playing experience on sand. Perfect for all court players looking for a fast, flexible shoe. This is our lightest model yet. The shoe's redesigned TWISTRUSS™ technology gives you the flexibility to move freely and won't slow you down thanks to its lightness. For a lighter, more flexible feel, we have added a new two-block outsole. In addition, we incorporated lightweight foam from our FLYTEFOAM™ technology to support fast movement. How does the SOLUTION SPEED FF™ 3 CLAY shoe offer more flexibility and allows you to move faster? • TWISTRUSS™ technology provides flexibility and allows you to travel longer distances on the pitch. • The new SPEED SOLE™ two-block outsole is lightweight and flexible and features a herringbone structure for easy movement on sand courts. • FLYTEFOAM™ technology in the midsole ensures that the shoe is lightweight and moves quickly and easily.