Beyond Yoga Balance Muscle Tank in Blue. - size XS (also in L, M, S) Beyond Yoga Balance Muscle Tank in Blue. - size XS (also in L, M, S) 94% poly 6% spandex. Heathered fabric. Back screen print logo. Made in USA. BEYR-WS155. LWSD4352. Beyond Yoga is ideal for modern living, from carpool to class, and lounging to lunch. Built on the belief that confidence is not a size but a state of mind, Beyond Yoga meticulously designs and tests each piece to ensure optimal comfort and functionality. Beyond Yoga is designed to fit a variety of body types, shapes and sizes without compromising comfort, support and style.