Patent ID: 7005479

Claim:
A golf ball comprising: a core having at least an inner layer having a diameter of at least 1.51 inches and comprised of a first polybutadiene composition having a resilience index of at least 50, a dynamic stiffness of less than 50,000 N/m at −50° C. and a loss tangent below 0.1 at −50° C. and an intermediate layer having an outer diameter of 1.55 to 1.67 inches, wherein the intermediate layer comprises a diene rubber composition having a Shore D hardness of at least about 55 which is harder than the core and the cover and a flexural modulus of between 60,000 and 140,000 psi; and a cover disposed about the core, wherein the cover comprises an outer cover layer comprising at least one polyurethane or polyurea.