| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cap with a louver, securing air permeability, having good external appearance and a high degree of freedom of design, and improved in production efficiency.SOLUTION: A cap attached with a brim in front is such that: the brim and a head circumference are integrally molded by synthetic resin; a louver for introducing air into the cap is erected on the brim along the surface of the brim so as to facilitate the production of the cap with the louver, improved in air permeability; and a size adjustment belt is provided inside of the head circumference on the brim side so as not to completely show a size adjustment mechanism or a gap on the external appearance.</p> |
