But for men who have to wear a full suit every day of the work week ... menswear brand on the market right now. If you're a long-time Insider Picks reader, you've likely heard about, if not ...

Even at the height of menswear's anything-goes era, the best slim suits for men held steady. Why? Simple: A good suit shouldn’t do any more than you ask of it. What does that mean, exactly?

By the ’40s, the suits were worn by minority men in working-class neighborhoods throughout the country. Though the zoot suit would be donned by the likes of Dizzy Gillespie and Louis Armstrong ...