If you want the highest of performance then play with the official tennis ball of the toughest tournament in the world, the US Open. If the Williams sisters, Roger and Rafa wouldn't settle for less why should you!?
• USTA and ITF approved for competitive play
• Made with premium tex/tech industries felt
• Extra Duty -optimal performance and durability on hard courts
• Regular Duty- Optimal performance and durability on clay/indoor courts
• High Altitute- high altitude core for best performanceon courts above 3000ft