Mack Weldon made a name for itself in the fiercely competitive world of men's undergarments ... to sleep and lounge in will love the lightweight, soft pairs that act more like shorts.

If you're looking for something less traditional, L.L.Bean makes the Comfort Stretch Woven Sleep Pants, which are made from soft cotton poplin and a hint of spandex. Shop all men's pajamas at L.L ...