10 Yoga Unitards That You Can Wear Anywhere Jenn Sinrich Replay Video Are yoga unitards the new leggings? There's a new athleisure trend threatening the longevity of the beloved workout leggings—even celebrities are hopping on board. But you don't really have to worry about the legging trend going anywhere any time soon. In fact, yoga unitards (yep, that's what they're called) are actually virtual extensions of the standard activewear legging. That means you can practically wear them anywhere. Here's what to know—and how . What is a yoga unitard? Also known as a "onesie," a yoga unitard is a one-piece garment, much like a jumpsuit, but made of technical, sweat-wicking material that's stretchy and moves with the body, explains yoga instructor Dina Ivas.