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Wilson

US Open x4 Tennis Ball

The Official Ball of the US Open since 1978.
  • USTA and ITF approved for competitive play.
  • Made with premium tex/tech industries felt.
  • Extra Duty: Optimal performance and durability on hard courts.
  • High Altitude: High altitude core for best performance on courts above 3000ft.
  • Regular Duty: Optimal performance and durability on clay/indoor courts.
  • Grass Court: Optimal performance and playability on grass court surfaces.
  • 4 balls per can.

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