The Official Racket of the ATP TOUR. The FX500 TOUR is designed for players who want to combine speed, power and comfort with added control to refine their game. It offers exceptional power and consistency, making it perfect for players seeking dynamic performance. SONIC CORE with Infinergy enhances control while maintaining power for more precision on every shot. The POWER WAVE GROMMETS enchances the racket consistency, but evenly distributing the power. VIBROSHIELD reduces any vibration and impact shock, enabling aggressive shots with more comfort. The POWER BOOST+ FRAME GEOMETRY provides extra power and stability, increasing your performance. This racket is ideal for intermediate to advanced players looking for a versatile option to take their game to the next level.