Pro Penn Marathons Extra Duty Tennis Balls
The Pro Penn Marathon Extra Duty High Altitude Tennis Ball is Penn’s longest lasting tennis ball featuring exclusive Encore Technology for a 22% longer lasting core and high tenacity LongPlay Felt for extended play. Pro Penn Marathon is the official
The Pro Penn Marathon Extra Duty High Altitude Tennis Ball is Penn’s longest lasting tennis ball featuring exclusive Encore Technology for a 22% longer lasting core and high tenacity LongPlay Felt for extended play. Pro Penn Marathon is the official ball of PTR because of its guaranteed longevity, durability and visibility.
- USTA approved
- Official Ball of the USPTA for over 37 years
- Can of Tennis Balls - 3 balls per can
- Extra-Duty High Altitude for higher altitudes
- Top of the line core and felt technologies
Returns & Price Matching