Patent ID: 7527565

Claim:
A golf club head comprising: a body comprising a crown, a sole and a front wall, the body having a hollow interior, the body having a volume ranging from 300 cubic centimeters to 500 cubic centimeters, the body composed of a titanium alloy material, the front wall having a recess, the recess having a depth ranging from 0.080 inch to 0.0120 inch; and a polymer layer disposed within the recess of the front wall, the polymer layer comprising a polymer material with an integrated reinforcement structure composed of interconnected hexagonal cells, the integrated reinforcement structure composed of an aluminum material, each hexagonal cell having a cell size of 0.0625 inch to 0.100 inch, the matrix layer having a thickness ranging from 0.080 inch to 0.0120 inch; wherein the golf club head has a coefficient of restitution value greater than or equal to 0.83 and a characteristic time value of less than 257 milliseconds.