| 摘要 |
A helmet includes, a body, a retention system, and a fit system. The fit system includes a hanger extending from the body and a base configured to be coupled to the hanger at one of a plurality of attachment points on the hanger to adjust the position of the base relative to the body. The fit system also includes a plurality of arms extending from the base and an adjustment mechanism operable to regulate the position of the base relative to a front portion of the body.
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