Patent ID: 8430767

Claim:
A golf ball comprising a core and a cover disposed adjacent the core, the cover comprising a thermoplastic inner cover layer disposed about the core and having a hardness between 55 Shore D and 60 Shore D; an outer cover layer having a hardness between 55 Shore D and 60 Shore D; and a non-ionomeric thermoplastic intermediate cover layer disposed between the inner and outer cover layers and having a hardness greater than the inner cover layer and the outer cover layer; wherein the inner cover comprises a partially- or fully-neutralized ionomer, the intermediate layer consists essentially of a non-ionomer and has a hardness greater than the inner cover layer hardness and greater than the outer cover layer hardness by at least 10 Shore D, and the cover outer cover layer comprises a polyurea formed from the reaction product of a prepolymer comprising an isocyanate and an amine-terminated polytetramethylene ether glycol and an amine-terminated curing agent.