Of course, we can't talk about a new trouser trend without mentioning pantsuits, and this retro Staud suit is perfect in every way, from its slim-fit pants to its shrunken blazer and color.

A suit is easy to reach for ... A bonus of the slim fit is how well they factor into a high-low outfit — sleek dressy pants paired with an oversized sweater is a simple way to create a balanced ...

Even at the height of menswear's anything-goes era, the best slim suits ... sacrificing fit, style, or the ability to wear it more than once. The real magic of this suit? It cleans up just as ...

TL;DR: Don't be surprised if you see fewer guys out and about in sweats, and more swapping out fleecy joggers for slim-fit pants—even if those pants end up being half of the Lululemon suit.