Wilson Unisex Extra Duty Tennis Balls Us Open XD - 4 Pack - Yellow

Official Wilson US Open tennis balls built for premium performance with consistent felt and play across all courts. They meet the US Open Grand Slam specifications, using extra-duty felt construction to deliver longer-lasting durability and reliable ball flight. The balls are ITF- and USTA-certified and suitable for hard courts as well as other surfaces, with a high altitude core to maintain performance at elevations above 3500 ft. A resealable can helps with tidier storage and longer durability.

Key features

• Official Wilson US Open tennis balls
• ITF- and USTA-certified, US Open specifications
• Extra-duty felt for durability and flight
• Suitable for hard courts and other surfaces
• High altitude core for elevations over 3500 ft
• R.sealable can for storage (tidier, longer durability)