Penn Championship is America's #1 Selling Tennis Ball and represents the standard by which all other tennis balls are measured. It features a controlled fiber release for consistent nap, natural rubber for consistent feel and reduced shock, and interlocked wool fiber for longer wear. Penn Championship is the Official Ball of USTA Leagues
- Controlled fiber release for consistent nap.
- Natural rubber for consistent feel and reduced shock.
- Interlocked wool fiber for longer wear
- USTA and ITF approved
