Wilson US Open Extra Duty Tennis Balls 4-Ball Can

The Wilson US Open Extra Duty is the official ball of the US Open, one of the most trusted performance tennis balls in the world. The Optic Yellow felt is applied with extra weave density for enhanced hard court durability, and the natural rubber core provides consistent bounce throughout the ball's life. Sold in a pressurised can for maximum freshness.

• Official US Open tournament ball
• Extra Duty felt — enhanced hard court durability
• Natural rubber core — consistent bounce
• Pressurised can for maximum freshness