Golf club

A golf club head, comprising:

• a body defining an interior cavity, a sole portion positioned at a bottom portion of the golf club head and having at least an exterior surface formed of a single material, 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;
• and
• a face positioned at the forward portion of the body;
• wherein:
• the body height is less than 46 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 up to 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, Ixx, greater than about 150 kg-mm2, and
• the golf club head has a volume between about 120 cm3 and about 240 cm3.

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;
• and
• a face positioned at the forward portion of the body;
• wherein:
• the body height is less than about 46 mm,
• the face has a loft angle less than about 28 degrees,
• the golf club head has an above ground center-of-gravity location, Zup, less than about 19 mm, and a moment of inertia about a center-of-gravity z-axis, Izz, that together satisfy,
• Izz≧13·Zup+105,
• 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 0 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 up to 0 mm along a z-axis arranged perpendicular to both the x-axis and y-axis,
• the golf club head has a volume between about 120 cm3 and about 240 cm3, and
• the golf club head has a total mass between about 185 g and about 245 g.