A golf ball excellent in durability and feel is formed of a polymer compound containing a ternary composite formed of a rubber component, a polyolefin component and a nylon component. In particular, it is a golf ball formed of a core and a cover arranged to cover the core, the core being formed using a polymer compound containing a ternary composite formed of a rubber component, a polyolefin component and a nylon component, the polymer compound being formed of rubber, thermoplastic resin, thermoplastic elastomer, ionomer or a mixture thereof.