| 摘要 |
A hat of the type having an adjustable headband is provided with a safety liner which includes a lower edge received in the headband. The safety liner has adjustment means for allowing the length of the lower edge to be reduced in response to a circumferentially applied force of the headband. The safety liner includes cut-out sections and is designed to only partially encircle the head of a wearer. A large cutout is provided for location at the rear of the head of a wearer.
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