Firm ball feel and crisp sound

Vacuum-filling design, core core sparse body structure, hit by the club external force, the force is transmitted from the outside to the inside, conveying the core sparse body structure, will not prod

Shell: contains titanium sarin material, with better resistance to beatings

Middle layer: single-layer soft design, with a high-energy elastic core, to strengthen the speed of the ball

Core: contains sodium ions and zinc ions mixed with a variety of compounds