What about the historical knowledge of pants?
In the 14th century it became common among the men of the noble and knightly classes to connect the hose directly to their pourpoints the padded under jacket worn with armoured breastplates that would later evolve into the doublet rather than to their drawers
Pleats just below the waistband on the front typify many styles of formal and casual trousers, including suit trousers and khakis. There may be one, two, three, or no pleats, which may face either direction. When the pleats open towards the pockets they are called reverse pleats and when they open toward the fly they are known as forward pleats.