Penn | 522402 | Pro Marathon Tennis Balls | High Altitude | Extra Duty Felt
- PRO PENN MARATHON: Penn's longest lasting tennis ball, the Pro Penn Marathon is the #1 choice among USPTA Teaching Professionals.
- PRODUCT FEATURES: These feature Penn's Encore technology for a 22% longer lasting core and high tenacity and LongPlay felt for better durability. Optik felt keeps visibility at a maximum.
- EXTRA DUTY TENNIS BALLS: The Extra Duty felt is for hard courts and is a High Altitude ball for use over 3500 ft.
- ITF APPROVED: The ball, along with the racket, is arguably the most important piece of tennis equipment. The tennis ball must lie within the specifications laid down in the Rules of Tennis while providing consistent playing properties and being sufficiently durable to withstand repeated high-speed impacts with the racket and surface.
- FOR YOUR CONVENIENCE: We offer packs from 2 cans to 24 cans for frequent players. Pro Penn Marathon Extra-Duty High Altitude Tennis Balls Come with 3 balls per can.