Wilson US Open 4B (6 Dozen) Carton

Constructed using an extra duty felt for longer wear and premium high-grade wool that is woven into it, which results in excellent durability as well as superb playability and consistency. The balls provide optimal performance and durability on hard courts.

Specs

- Official Ball for the US Open (since 1978)
- ITF (International Tennis Federation) approved
- Construction: High-grade wool

- Premium Tex/Tech Industries felt
- Extra Duty for optimal performance and durability on hard courts
- Superior playability and consistency
- 6 Dozen (72 Balls)