Exclusively used and endorsed at Wimbledon, this is a tennis ball of the highest standard. If it is good enough for the All England Club, it should be good enough for anyone.The ball has been engineered to deliver the consistent performance characteristics demanded by the most prestigious tournament in the game. It features a premium woven cloth that is specially designed for championship play, using the finest wool to achieve a tighter weave giving increased durability and responsiveness.To add to this, there is an Ultra Vis dye and patented application process, creating a ball that has optimum visibility for players and spectators. Slazenger have used their patented Hydroguard technology to develop a cloth that repels up to 70% more water than a standard ball. This is as good as tennis balls get.