Pro Penn Marathon Extra-Duty balls feature Penn’s exclusive Encore Technology for a 22% longer lasting core. Ideal for hard courts, this ball also incorporates LongPlay Felt for extended play and features SMART OPTIK felt for enhanced visibility over standard tennis balls. A best seller for many years, Pro Penn Marathon Extra-Duty tennis balls are technologically advanced and offer outstanding performance and durability.
-
3 Balls per Can
-
Courts: Hard
-
Felt: Extra Duty
-
Colour: Yellow
-
United States Tennis Association Approved
-
International Tennis Federation Approved