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 
 Skip to content
    
    
    
    
 
	
  
  Skip to content
  
 
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
   
    
  