Patent attributes
Disclosed herein is a golf club head. A face portion of the golf club head has a bulge radius between 190 mm and 600 mm and a roll radius between 100 mm and 600 mm. The golf club head further comprises a first wall, protruding uprightly from the sole portion, extending lengthwise in a heel-to-toe direction. The golf club head additionally comprises a stiffener located within the interior cavity of the body and interposed between the interior surface of the face portion and the first wall. The stiffener is made of a second material having a second modulus of elasticity less than the first modulus of elasticity. A coefficient of restitution (COR) of the golf club head is at least 0.78. A characteristic time (CT) of the golf club head at a center of the face portion is no more than 257 microseconds.
