Beyond Yoga Knot So Fast Cropped Tank in Black. - size XS (also in L,S) Beyond Yoga Knot So Fast Cropped Tank in Black. - size XS (also in L,S) Poly blend. Criss-cross arm opening detail. Marled fabric. Made in USA. BEYR-WS54. LWSD4431. 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.