Patent ID: 8329850

Claim:
A golf ball comprising: a core; and a cover having a hardness of about 40 Shore D to about 55 Shore D, wherein the cover is formed from a castable material comprising: a prepolymer formed from at least one isocyanate and at least one polyol, wherein the NCO content of the prepolymer ranges from about 5 percent to about 7 percent; and a polyether diol having a molecular weight of about 400 to about 2500 and having the following structure: wherein n is the chain length from 2 to 30; wherein the castable material has a hardness of about 8 Shore D to about 16 Shore D, and wherein the golf ball has a half-wedge spin rate of about 7,000 rpm or greater and a COR of about 0.800 or greater at 125 ft/s.