A golf club has a reverse flex of 110 to 160 mm. The face portion includes a central thick part, a toe-crown-side thin part on a crown-side and on a toe-side of the central thick part, and a heel-sole-side thin part on a sole-side and on a heel-side of the central thick part. In the front view of the head, a first straight line passing an area centroid of the toe-crown-side thin part and an area centroid of a back surface of the face portion has an angle θA of 10 to 30 degrees, and a second straight line passing an area centroid of the heel-sole-side thin part and the area centroid of the back surface of the face portion has an angle θB of 36 to 40 degrees, each with respect to the horizontal plane.