Penn Pro Marathon Extra Duty Tennis Balls (1-Case)

The Penn Pro Marathon Extra Duty Tennis Balls represent the pinnacle of longevity and performance on hard courts. As Penn's longest-lasting tennis ball, the Pro Marathon features proprietary Encore Technology for a 22% longer-lasting core, ensuring optimal bounce and responsiveness over extended play. Wrapped in high-tenacity LongPlay felt, these balls are built for maximum durability and visibility.

Key Features

• Encore Technology provides a 22% longer-lasting core compared to standard tennis balls for sustained bounce
• LongPlay felt delivers exceptional durability and consistent nap profile on hard court surfaces
• Optik High-Visibility felt ensures maximum tracking and reaction time during fast-paced matches
• Official ball of USTAs and trusted by teaching professionals worldwide
• Full case provides a bulk supply ideal for tournaments, team practices, and avid players