Golf ball comprising saturated polyurethanes and methods of making same

A golf ball comprising a core and a cover layer wherein the cover is formed of a polyurethane composition comprising a saturated prepolymer comprising an initiated polycaprolactone and a saturated diisocyanate, and a curing agent, wherein:

• the initiated polycaprolactone comprises diethylene glycol-initiated polycaprolactone;
• 1,4-butanediol-initiated polycaprolactone;
• 1,6-hexanediol-initiated polycaprolactone;
• trimethylol propane-initiated polycaprolactone;
• neopentyl glycol-initiated polycaprolactone;
• polytetramethylene ether glycol-initiated polycaprolactone;
• and mixtures thereof;
• and
• the prepolymer further comprises at least one polyol comprising polytetramethylene ether glycol;
• poly(oxypropylene)glycol;
• polyethylene adipate glycol;
• polyethylene propylene adipate glycol;
• polybutylene adipate glycol;
• polycarbonate glycol;
• ethylene oxide-capped polyoxypropylene diol;
• and mixtures thereof.