Beyond Yoga Under Lock And Keyhole Tank in Purple. - size S (also in XS) Beyond Yoga Under Lock And Keyhole Tank in Purple. - size S (also in XS) 90% nylon 10% spandex. Built-in shelf-bra. Crisscross shoulder straps. Made in USA. BEYR-WS125. SP4301. 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.