This HEAD Tour ball is HEAD's replacement to the popular HEAD ATP Ball. The Tour ball is also more durable than ever before while SmartOptik Technology ensures improved visibility at all times and on every surface. Durability has increased by 33% as a result of incorporating Encore Technology and the visibility has also increased now that SmartOptik has been added. This ball represents great value and is ideal for playing on all surface types for players of all levels. 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.