Multi-piece solid golf ball

A multi-piece solid golf ball comprising a solid core and a cover of two inner and outer layers enclosing the solid core and formed on the surface with a plurality of dimples, wherein

• said solid core in its entirety has a hardness distribution falling within the range if JIS-C hardness 50 to 85, wherein the difference between a maximum core JIS-C hardness and a minimum core JIS-C hardness divided by the minimum core JIS-C hardness is less than or equal to 5%,
• said cover inner layer has a JIS-C hardness of 70 to 90, said cover outer layer has a JIS-C hardness of 60 to 80,
• the sum of high-speed region dimple operative volumes HDOV of respective dimples is 170 to 310, the sum of low-speed region dimple operative volumes of respective dimples LDOV is 200 to 310, and the overall dimple volume is 260 to 360 mm3.