Patent ID: 7070516

Claim:
A golf club head comprising: a club head body having a front face with a recess therein; an insert disposed within the recess, the insert comprising a body with an exterior surface, an interior surface and a perimeter defining the thickness of the body, the insert composed of a thermoplastic polyurethane material formed from a polytetramethylene ether glycol terminated hexamethylene diisocyanate prepolymer having a nitrogen-carbon-oxygen group content of 8% to 12%, and a 1,4 butane diol, wherein the insert has a Shore D hardness ranging from 50 to 65, a thickness ranging from 0.125 inch to 0.500 inch, a heat deflection less than 1% after loading of 14 pounds per square inch at a temperature of 200° F. for two hours, and a change in ultraviolet light stability of less than 1% after an exposure time of 48 hours; wherein the insert has a “L” color value of approximately 95 on a scale of 0 to 100.