| 摘要 |
A helmet for protecting the head having a rigid shell that includes a body, made of an expanded polystyrene type of material, for example, molded over an outer skin, the shell further including a rigid arch device, the arch device includes a headband applied to the shell, each of the ends of the headband being equipped with an ear-covering part. The ear-covering parts can include a foam cushion covered by fabric. The arch device can have two wings which cover the ear-covering parts and which extend the headband and which can also be provided with a chin guard joining the two wings together. The arch device can be either glued or releasably attached to the shell.
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