An athletic knit sports bra featuring a ribbed construction, square - cut neckline, shoulder straps that form a racerback, longline hem, seamless fit that sculpts, lifts, and smooths, breathable and moisture wicking fabric, and seams that lay flat for ultimate comfort. . 68% cotton, 29% nylon, 3% spandex. Machine wash cold. Model is 5'6" and wearing a small. Women's seamless racerback sports bra in birch large