| abstract |
A three-piece solid golf ball comprising a rubber-based core inner layer, a rubber-based core outer layer, and a polyurethane elastomer-based cover, wherein the core inner layer has a JIS-C hardness of 50-85, the core outer layer has a JIS-C hardness of 70-90, the JIS-C hardness of the core outer layer at its surface minus the JIS-C hardness of the core inner layer at its center is 20-30, and the cover has a Shore D hardness of 46-55 and a gage of 1.1-2.1 mm is improved in rebound, travel distance, controllability, feel on impact and durability. |