YogaColors Ladies Active Modern Star Sports Bra 90% nylon Activewear that supports and wicks away sweat is essential to any workout. Chest: (stretches) X-Small - 24", Small - 26", Medium - 28", Large - 30" 90% nylon, 10% spandex and lined with same; YogaColors signature black star on back of neck Made in the U.S.A.