Patent ID: 8425351

Claim:
A four-piece golf ball consisting of: a core comprising an inner core center and an outer core layer disposed over the inner core center, the inner core center comprising a polybutadiene material and having a deflection of greater than 0.210 inch under a load of 200 pounds, wherein the core has a deflection ranging from 0.130 inch to 0.095 inch under a load of 200 pounds, the core having a diameter ranging from 1.40 inches to 1.64 inches, wherein the outer core layer is composed of a thermoplastic material; a mantle layer disposed over the core, the mantle layer composed of a highly neutralized ionomer material and having a thickness ranging from 0.030 inch to 0.075 inch; and a cover disposed over the mantle, the cover having a thickness ranging 0.015 inch to 0.037 inch, the cover composed of a thermoplastic polyurethane material; wherein the golf ball has a diameter ranging from 1.65 inches to 1.688 inches.