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.