The Wilson Extra Duty (4 Ball Tube) tennis balls are USTA and ITF approved for competitive play.
They are made with premium tex/tech industries felt for extra durability and are the official ball of the US Open.
- USTA and ITF approved
- Made with premium tex/tech industries felt
- Extra Duty: Optimal performance and durability on hard courts
- Ideal for longer play on hard court surfaces
- US Open official ball
As the World's Largest Online Sports Store, Pro:Direct Tennis offers competitive rates on worldwide delivery to bring you the latest products from the biggest brands. Please select your destination from the list below to see delivery options and costs.