In fact, it's something the US Air Force figured out after spending substantial time and resources. That is to say: There is no such thing as the Average Man.

In fact, it's something the US Air Force figured out after spending substantial time and resources. That is to say: There is no such thing as the Average Man. Make something that will generally fit most people, but then also add enough customization features so each man can tune it to his liking. There is a reason car seats and steering columns are adjustable.