Precise and domineering, but ultimately monotonous because every banker dressed the same way. For a long time, the pattern was predominantly found on the same-ish suiting of city types and Prohibition-era mobsters. The fine-line print hasn’t always been seen as a key piece in a man’s everyday arsenal. If, like everyone else, you have long been confused and frustrated by the smart-casual dress code, base a pair of pinstripe trousers at the core of your wardrobe and you’ll make the job a whole lot easier.