| 摘要 |
FITTING AND RETENTION SYSTEM FOR HEADGEAR A system for fitting headgear, such as a bicycle helmet, to the head of a user without requiring fit or sizing pads. The fit system includes an elongate fitting structure having a middle portion and a pair of opposed ends. The opposed ends are attached to the headgear in a tensioned state so that the middle portion surrounds at least a portion of the occipital protuberance and the tension in the strap maintains the headgear closely adjacent the cranium. In addition, compatible retention systems are disclosed for helping to maintain the helmet on the head of the user.
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