The Slazenger Wimbledon is the official tennis ball in Wimbledon. The Tour Core has been engineered to deliver the consistent performance characteristics demanded by the world’s most prestigious tournament. Hydroguard technology to repel 70% more water than standard tennis balls, for use on all surfaces in all conditions. The ball is suitable for a wide variety of floor coverings thanks to the mixture of a carbon rubber compound and felt. The specially engineered TOUR CORE has been modified at a molecular level to offer more consistent performance characteristics that players of all levels can rely on.