Wilson US Open Extra Duty tennis balls set a golden standard for the top players in the world. These premium tennis balls offer unrivaled consistency. making them the trusted choice at the US Open for over 40 years. A premium woven felt withstands extended use on hard courts. If you want to play like the pros. choose the Wilson US Open Extra Duty tennis balls!

• ITF and USTA Approved
• Official ball of the US Open
• Made with premium woven felt.
• Provides ideal performance on hard. abrasive courts