| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide lightweight sporting goods capable of keeping a definite appearance over a long period and excellent in endurance. SOLUTION: These sport goods are equipped with a member body 2, a transparent decorative layer 4 formed on the outside of the member body 2 and a structural coloring body 6 mixed in the decorative layer 4 and exhibiting structural coloring and the structural coloring body is formed by superposing a plurality of layers of thin films which are colorless and transparent and relatively different in refractive indices of light.</p> |
