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Pro Penn Marathon is Penns 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. Pro Penn Marathon is available in Extra-Duty Felt for hard courts and Regular-Duty Felt for soft courts. Penns Professional tennis balls are the most technologically advanced tennis ball providing player with top of the line core and felt technologies that allow the ball to play at its best for longer periods of time. Colors White/Classic Red Type Tennis Sizes 7-13 14 Weight 12.59 oz.
- AMERICA’S #1 SELLING BALL: The result of 100 years worth of testing and perfecting; Penn is the standard by which all other tennis balls are measured.
- CONSISTENT PLAY: Players all over the world choose Penn time and time again for reliable bounce and play not found anywhere else.
- USTA APPROVED: Penn Tour balls are approved by the PTR so youre sure to be playing with a high quality and consistent ball.