Patent ID: 7775908

Claim:
A golf ball consisting of: (a) a center having a diameter of from 0.750 inches to 1.250 inches and formed from a first HNP composition, the first HNP composition having a material hardness of 55 Shore D or less and comprising a highly neutralized ethylene/(meth)acrylic acid/alkyl (meth)acrylate copolymer; (b) an outer core layer having a thickness of from 0.150 inches to 0.400 inches and formed from a second HNP composition, the second HNP composition having a material hardness of 45 Shore D or greater and comprising a highly neutralized ethylene/(meth)acrylic acid copolymer; and (c) a cover layer having a thickness of from 0.025 inches to 0.075 inches and a surface hardness of 64 Shore D or less; wherein the material hardness of the first HNP composition is less than the material hardness of the second HNP composition.