| 摘要 |
Headgear has a band means for engagement around a wearer's head, the band having a front portion, a rear portion and a pair of opposite side portions connecting the front to the rear portions. The front and rear portions have a lower perimeter with a first rigid visor having an attachment edge fixed to the lower perimeter of the front portion of the band, and extending outwardly from the band in a first direction and a second rigid visor having an attachment edge fixed to the lower perimeter of the rear portion of the band and extending outwardly from the band in a second direction which is opposite to the first direction.
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