Abstract: A golf club head comprising a variable thickness profile comprising a thick central portion; a transition portion; and a thin perimeter portion; wherein said transition portion surrounds said thick central portion; wherein said thin perimeter portion surrounds said transition portion; wherein said thick central portion comprises a center, said center of said thick central portion located equidistant from a heel most portion of said thick central portion and a toe most portion of said thick central portion; wherein said center of said thick central portion is offset from said geometric center of said striking face. The present invention also discloses a flexure feature located near a frontal sole portion of the golf club head, wherein the flexure has a specific thickness profile adapted to respond to the needs of the present golf club head.

Abstract: A golf club head including a crown, a sole, a hosel, a face, and a flexure. The flexure provides compliance during an impact between the golf club head and a golf ball, and is tuned to vibrate, immediately after impact, at a predetermined frequency. In addition to the above, the golf club head in accordance with the present invention may also have flexures on or around the striking face portion to further improve performance.