| 摘要 |
A helmet that protects a user's head from the transfer of force imparted on the outer shell of the helmet. An inner layer of the helmet uses a spacer fabric that diffuses any force received over a relatively large area so that such force is spread over a relatively large area of the user's head, thereby reducing the risk of traumatic brain injury. The helmet uses a thermal pack that helps keep the user either cold or hot as desired. The helmet uses an audio pack that is removably attached to the shell, such that the audio pack protects the hearing of the user from sudden high decibel sounds and also amplifies desirable sound while squelching undesirable noise.
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