Tested with several top players, the HEAD TOUR ball went through rigorous testing to ensure that it provides the perfect mix of spin and control. Thanks to Encore™ Technology, HEADs flagship tennis ball is highly durable, while SmartOptik Technology ensures an improved visibility at all times and on every surface. This is the ultimate ball  for the world’s biggest courts, perfectly capable of withstanding the world’s hardest serves, forehands and backhands.