Patent attributes
A hollow golf club head includes a face part, a crown part, a sole part, a side part, and a hosel part. The head has a volume of 80 to 200 cm3 and a weight of 205 to 250 g, a distance between face-side and back-side edges divided by a distance between a toe-side edge and a intersecting point on a heel-side edge of a horizontal line passing through a face center point is 0.3 to 0.7. The crown part includes a large-thickness crown part formed along an overall edge thereof, and a small-thickness crown part formed inside the large-thickness crown part. The side part includes a heel-side small-thickness side part formed at a heel side, a toe-side small-thickness side part formed at a toe side, and a large-thickness side part formed at a portion of the side part other than the heel-side and toe-side small-thickness side parts.
