| 摘要 |
PROBLEM TO BE SOLVED: To provide a golf ball excellent in a carry performance, an approach performance, and a ball-hitting feeling.SOLUTION: A ball 2 includes a core 4, an intermediate layer 6, and a cover 8. The core 4 includes an inner core 10 and an outer core 12. The cover 8 includes an inner layer cover 14 and an outer layer cover 16. The inner core volume Vc, intermediate layer volume Vm, intermediate layer hardness Hm, inner layer cover volume Vinc, inner layer cover hardness Hinc, outer layer cover volume Vouc, outer layer cover hardness Houc, and ball volume V satisfy the following relational expressions (a) to (g): (a) Vc/V<0.07, (b) Hm>Hinc>Houc, (c) Hm-Houc>25, (d) Vm>Vinc>Vouc, (e) (Vm+Vinc+Vouc)/V<0.30, (f) Vm/Vouc>1.50, and (g) (Vm*Hm)/(Vouc*Houc)>3.0. |
