Patent ID: 8622847

Claim:
A golf club head comprising: a body including a face plate positioned at a forward portion of the golf club head, a hosel defining a hosel opening, a sole positioned at a bottom portion of the golf club head, a crown positioned at a top portion of the golf club head, the body defining an interior cavity, wherein at least 50 percent of the crown has a thickness less than about 0.8 mm; an adjustable loft system configured to allow a maximum loft change of about 0.5 degrees to about 3.0 degrees, the adjustable loft system including a hosel insert including a keyway and having a height of less than a height of the hosel opening, wherein a top end of the hosel insert is disposed below a top end of the hosel opening; at least one weight port formed in the body; and at least one weight configured to be retained at least partially within at least one of the weight port; wherein the adjustable loft system and the at least one weight are configured to be adjustable by a single engagement end of a single tool.