Patent ID: 7455598

Claim:
A wood-type golf club head comprising: a body comprising a sole, a toe wall, a heel wall, an aft-wall, and a front wall having a perimeter, wherein the aft-wall is substantially perpendicular to the heel wall and the toe wall, the body composed of steel; a crown composed of plies of pre-preg material; wherein the golf club head has a distance, D hw , ranging from 3.5 inches to 4.0 inches; wherein the golf club head has a distance, D tw , ranging from 3.5 inches to 4.0 inches; wherein the golf club head has a distance, D aw , ranging from 4.0 inches to 4.50 inches; wherein the crown, the sole, the front wall, the heel wall, the aft wall and the toe wall define a hollow interior; wherein the heel wall extends rearward from a perimeter of the front wall a distance of least 50% of the length of the heel wall at an angle of 80 degrees to 90 degrees relative to relative to a plane parallel to the farthest extent of the front wall; wherein the golf club head has a volume ranging from 300 cubic centimeters to 500 cubic centimeters, a coefficient of restitution ranging from 0.81 to 0.94, a mass ranging from 180 grains to 215 grams, and a moment of inertia, Izz, about the center of gravity of the golf club head greater than 4000 grams-centimeters squared.