Patent ID: 8663029

Claim:
A golf club head, comprising: a body defining an interior cavity, a sole portion positioned at a bottom portion of the golf club head, a crown portion positioned at a top portion, and a skirt portion positioned around a periphery between the sole and crown, the body also having a forward portion and a rearward portion and a maximum above ground height; at least one weight port formed in the body to support varying weights from about 0.5 gram to about 10 grams; and a face positioned at the forward portion of the body; wherein: the crown has a thickness less than about 0.65 mm for at least about 70% of the crown, the golf club head has a front to back depth (D ch ) greater than about 85 mm, the golf club head has an above ground center-of-gravity location, Zup, less than about 19 mm, the golf club head has a center-of-gravity location as measured along a coordinate system having an origin located at a center of the face, the center-of-gravity location being between about −2.0 mm and about 6.0 mm along an x-axis arranged parallel to the ground plane and tangent to the face, the center-of-gravity location being between about 20 mm and about 40 mm along a y-axis arranged parallel to the ground plane and perpendicular to the x-axis, and the center-of-gravity location being between about 0 mm and about −6.0 mm along a z-axis arranged perpendicular to both the x-axis and y-axis, the golf club head has a moment of inertia about a center-of-gravity x-axis, I xx , greater than about 150 kg-mm 2 , and the golf club head has a total mass between about 185 g and about 245 g.