Tested with several HEAD players, the HEAD TOUR ball went through rigorous testing to ensure that it provides the perfect mix of spin and control. Addition of Encore™ Technology makes the ball more durable than ever before while SmartOptik Technology ensures improved visibility at all times and on every surface. Comes in iconic packaging, the HEAD TOUR ball is the perfect ball for the world's biggest courts, perfectly capable of withstanding the world's hardest serves, forehands, and backhands. 33% longer lasting* with Encore™ technology Encore™ technology. Encore™ Technology based on a blend of natural and man-made polymers in a core that limits ball softening.