Women's Workout Relentless Fitness Burnout Racerback Tank Top Preshrunk 65% polyester, 35% cotton for comfortable workout feel. Over-sized arm openings for ease of lifting, running, fitness training, etc. Super light and soft form fitting workout tank top. Available in sizes XS-XL with 7 vibrant colors. Size fits: XS 0-2, S 2-4, M 6-10, L 10-14, XL 14-18 FREE Returns