Wilson Us Open Regular Duty Tennis Ball case. Available here at Tennis ProSport Canada. Delivery Canada and USA.

For the past 40+ years, every point at the US Open has been scored with a Wilson US Open tennis ball. Unparalleled consistency and performance make it the gold standard in tennis, trusted by the best in the game when it's all on the line. Crafted with premium woven felt, this ball is available in Extra Duty, Regular Duty and High Altitude variations.

Approved by USTA & ITF for competitive play
Official Ball of the US Open
Made with premium woven felt
Extra Duty: Ideal performance on hard, abrasive courts
Regular Duty: Ideal performance on soft, clay/indoor surfaces
High Altitude: Ideal performance on surfaces above 3,000 ft.
24 Cans - 3 balls per Can Total 72 balls

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

Balls used at the US Open may have unique specifications and/or tolerances.

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