| 摘要 |
The present invention relates to ventilating headgear with air-vent opening (2) in between visor (1) and head part of the headgear. This air-vent opening (2) protects the headgear from being slipped off head by strong wind or when the wearer runs. In addition, this air-vent opening (2), which causes convection current in front of face, promotes perspiration and gives good feelings to the wearer. And also the special structure and shape of the air-vent opening (2) enable the wearer to put on and off sunglasses. |
