Patent ID: 7258631

Claim:
A golf club head comprising: a body comprising a front wall, a sole and a ribbon, the body composed of a non-metallic material; a crown plate attached to the ribbon and front wall of the body; a weight piece disposed within a hollow interior formed by the body and crown plate, the weight piece comprising a striking plate insert attached to and supporting the front wall of the body, a first strip extending from a heel end of the striking plate insert to a toe end of the striking plate insert, and a second strip extending from a bottom of the striking plate insert toward a rear end of the body, the weight piece composed of a high density material having a density greater than the density of the material of the body; wherein a center of gravity of the golf club head is located less than approximately 1.7 inches from an exterior surface of the front wall; wherein the golf club head has a robustness efficiency parameter of less than approximately 0.410; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters; wherein the golf club head has a moment of inertial Izz about the Z-axis through the center of gravity of greater than 3000 g-cm 2 and a moment of inertia Iyy about the Y-axis through the center of gravity in the range from 2000 g-cm 2 to 4000 g-cm 2 .