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<p>A full featured helmet for the next generation of shredders. With the same features found on the Speedframe helmet, the Mainframe gives younger riders multiple layers of protection.</p><ul><li>MIPS® technology (Multi-directional Impact Protection System) reduces rotational forces in an oblique impact</li><li>Light and strong in-mold construction uses impact absorbing polystyrene, bonded to a polycarbonate shell</li><li>Dial fit system offers 4cm of adjustability, to grow with them</li><li>Large front vents and grouped rear vents pull air through the helmet and over your head</li><li>Removable pads are easy to clean</li></ul>

Fox Racing Mainframe Helmet - Youths

One Size

Microshell helmets are made of a thin polymer sheet over a foam liner; Hardshell helmets have a hard polymer outer shell and a foam liner; when the liner is being bonded to the outer shell during the manufacturing process, it is Molded in the shell.

The internal circumference determines the size head that the helmet will fit.

Most helmets are tested and certified for a specific sport. Some helmets are approved for multi-sports, but only after passing the safety tests for both sports (i.e., snowsports and cycling). 

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Fox Racing Mainframe Helmet - Youths

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