FIA-Standard Karting Body Protection

On the topic of chest protection, the reason they are used with smaller kids is due to how our sternum develops. (Tried to find something that explains without medical speak…)

Definitely understand that, especially since they are closer to the steering wheel at that younger age.

Reasonable. The sternum starts off cartilagenous & ossifies over time, not completely fusing & until about mid 20’s.

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