| 摘要 |
The invention provides a golf ball which includes a core and a cover encasing the core, wherein the cover has a thickness of at least 1.3 mm but not more than 1.8 mm and a material hardness, expressed as the Shore D hardness, of not more than 58, the core has a deflection when compressed under a final load of 1,275 N (130 kgf) from an initial load state of 98 N (10 kgf) of at least 4.1 mm, the ball has a deflection when compressed under a final load of 1,275 N (130 kgf) from an initial load state of 98 N (10 kgf) of at least 3.8 mm, and the ratio of the core deflection to the ball deflection (core/ball) is at least 0.8 but not more than 1.2. The ball of the invention can be sufficiently deformed on shots with a driver, even when played by a low head speed golfer, allowing a good ball rebound to be obtained and thus resulting in an increased distance. The ball also has a good feel when played and a satisfactory durability.
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