Fabric: Nylon - Nylon fabrics have a more natural feeling than polyester ones which makes them perfect for yoga. No matter how you move, our exercise top will move with you and never dig in or chafe uncomfortably., Spandex - This fabric is lightweight, breathable, and highly elastic, it stretches and moves with your body, without losing shape over time. It also helps wick sweat away from your skin, leaving you comfortable during activities such as cardio, running, yoga, weight lifting, and more.