Golf club and grip for golf club

A golf club includes a head, a shaft and a grip. At least one siping groove (g) is provided on a surface of the grip. The siping groove (g) is bent in a direction (Dd) of a depth of the grip. A width (Wg) of the siping groove (g) is set to be equal to or greater than 0.15 mm and is equal to or smaller than 1.5 mm. It is preferable that an opening edge (e) of the siping groove (g) should be bent. The width (Wg) is more preferably equal to or greater than 0.20 mm. The width (Wg) is more preferably equal to or smaller than 1.4 mm and is further preferably equal to or smaller than 1.3 mm. A depth (F) of the siping groove (g) is preferably equal to or greater than 0.5 mm and is preferably equal to or smaller than 3.5 mm.