Bella 8800 Ladies 3.7 oz. Flowy Racerback Tank 100% Polyester 100% Polyester solid and neon colors: 30-single 65% polyester/35% viscose (3.7 oz.) athletic heather: 30-single 52% polyester/48% viscose (3.7 oz.) marble colors: 40-single 91% polyester/9% combed and ring-spun cotton (3.5 oz.) stripe colors: 30-single 70% rayon/30% polyester (3.7 oz.)