| 摘要 |
A golf club head which comprises a face portion defining a face for hitting a golf ball, and a side portion between a crown portion and a sole portion, extending from a toe-side edge of the face portion to a heel-side edge of the face portion through the back face of the head, wherein the face portion is composed of a face plate and a face side part on one of or each of the toe side and heel side of the face plate, and the face side part is formed integrally with the side portion, but the face plate is formed separately from the face side part and welded to the face side part. The ratio of the area of the face side part to the area of the face plate is preferably set in a range of from 0.05 to 0.2.
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