Patent ID: 7140978

Claim:
A golf ball comprising: a core, the core having a diameter ranging from 1.2 inches to 1.6 inches, a mass ranging from 25 to 40 grams, a PGA compression 70 or less, and a coefficient of restitution greater than 0.750 at an incoming speed of 125 feet per second; an inner cover layer which has a Shore D hardness of at least 60 as measured on the curved surface thereof and is formed from a composition which includes at least one material selected from the group consisting of polyamides, polyester elastomers, polyester amides, metallocene catalyzed polyolefins, and blends thereof, the inner cover layer having a thickness ranging from 0.03 inch to 0.07 inch; and an outer cover layer formed over the inner cover layer, the outer cover layer having a Shore D hardness of no more than 55 as measured on the curved surface thereof; wherein the golf ball has a spin factor of at least 5.