Not much to be said about them, poor old things. They rarely fit properly, are typically getting a bit warn and could use a good wash. But they do keep us warm and mostly dry. They are the Old Knock trousers.
The cut is typically loose. An old leather belt or old tie is used to keep them snug above the navel. The Old Knock would normally prefer that they be a bit long, as opposed to short, to keep the drafts out. Cuffs or no cuffs? Who knows. It depends on what was in style when the Old Knock left home for the first time all those years ago, because these are likely to be the same trousers he or she wore back then. As always, comfort and durability are key. The fabric tends toward natural fibers—not for any ecological compunction, mind you, but because natural fibers tend to be softer and last longer. The traditional Old Knock will probably prefer a nice flannel or tweed in some earthy color along the lines of mud or soot—the better to conceal muddy cuffs and coffee stains. Deep pockets are another nice addition. Old Knocks love to fill their deep pockets with an assortment of necessary equipment for their day. Patches here should be kept to a minimum. After all, one doesn’t want to look like a hobo—that’s overdoing things a bit. Elbow patches are one thing, but knee or bum patches? Really!