Ribbed textured knit sports brfeaturing fit that sculpts, lifts, and smooths, breathable and moisture wicking fabric, compression with four - way stretch, medium support, seams that lay flat for ultimate comfort, longline silhouette, square - cut neckline, racerback, and shoulder straps. . Shell: 88% nylon, 12% elastane. Lining 1 & 2: 90% polyester, 10% spandex. Machine wash cold. Model is 5'6" and wearing small. Women's ribbed racerback sports brin birch medium