| abstract |
(57) Summary: [PROBLEMS] To provide a multi-layer golf ball that provides increased distance without sacrificing playability or durability as compared to known multi-layer golf balls. A multi-layer golf ball including a ball core, an inner cover layer, and an outer cover layer. The inner cover layer comprises a high acid ionomer or a mixture of ionomers, with or without fillers such as zinc stearate. The outer cover layer consists of a soft, very low modulus ionomer or mixture of ionomers or a non-ionomeric thermoplastic elastomer such as polyurethane, polyester or polyesteramide. |