| abstract |
(57) [Summary] A solid core is covered with a cover, And a solid golf ball in which the solid core is formed in a multilayer structure having an inner core and an outer core covering the inner core, wherein the inner core has a diameter of 15 to 22 m. m, Shore D hardness is 40 to 70, and the outer layer core is J It has an IS-C hardness of 40 to 75, and the inner and outer layer cores are each formed of a rubber composition mainly composed of polybutadiene, and the cover thickness is 0.5 to 3 mm. Solid golf ball. The golf ball of the present invention has an improved flight distance and a good shot feeling even when a player having a relatively low head speed makes a full shot with a driver. |