The Gamma(r) Championship tennis balls are more durable and wear more evenly on all court surfaces, remaining more consistent and maintaining high playability longer than comparable championship balls.
Features
WearGuard(tm) Felt: wear-resistant fibers are more durable and wear more evenly on all court surfaces, remaining more consistent and maintaining high playability longer than comparable championship balls
Core: Nitrogen: pressurized with Nitrogen to retain pressure longer and maintain a lively resilient bounce on all court surfaces