Patent ID: 8419569

Claim:
A golf club head comprising: a hitting cup comprised of a metallic material and having a hitting surface; an aft cup comprised of a metallic material; a midsection connecting said hitting cup and said aft cup comprised of a composite material; a heel wall connecting said hitting surface to said aft cup; and a toe wall connecting said hitting surface to said aft cup; wherein said golf club head has a volume of about 380 cc to 480 cc, a moment of inertia, I xx , about a horizontal axis through a center of gravity of said golf club head of about 2000 g·cm 2 to about 4500 g·cm 2 , and a moment of inertia, I yy , about a vertical axis through said center of gravity of said golf club head of about 4000 g·cm 2 to about 5900 g·cm 2 ; and wherein said aft cup includes an aft wall that is spaced apart from said hitting surface and wherein said aft wall's length is approximately 20% to about 50% of the length of said hitting surface wherein the length is measured in a toe and heel direction.