felt, regular duty felt, or extra-duty high altitude felt. The Championship Line provides quality play every time you hit the court.
- Extra Duty for use on hard courts
- Official Ball of USTA League Tennis
- The standard by which all other tennis balls are measured
- Controlled fiber release for consistent nap
- Natural rubber for consistent feel and reduced shock
- Interlocked wool fiber for longer wear
- Deep-elastic seams for reduced cracking
- 3 balls per can