Penn Pro Marathon Extra Duty

Pro Penn Marathon 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. Pro Penn Marathon is available in Extra-Duty Felt (for hard courts), Regular-Duty Felt (for soft courts) and Extra-Duty High Altitude (for higher altitudes). Penn˪s 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.

• 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.
• LASTING DURABILITY: 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.
• ALL COURTS: While extra duty tennis balls are best suited for hard court matches, they can also be played on all indoor and outdoor softer, clay court surfaces as well.
• 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.