| 摘要 |
PURPOSE: Provided is a hat with a rectangular resin pipe of absorbing and discharging air for ventilation, eliminating bad odor of sweat and lessening itchiness and dandruff. The hat enhances concentration and clear thinking. CONSTITUTION: The hat comprises: a front rectangular absorption/discharge channel pipe(2) of thin resin(100) in interior peripheral for discharging heat inside the hat; discharge holes(5) of the absorption/discharge channel pipe(2) which cool the forehead part; and left and right channel pipes(7,10) for absorption/discharge of the heat present in the hat.
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