Women's Workout No Limits Burnout Racerback Tank Top. Workout Clothing. Preshrunk 65% polyester, 35% cotton for comfortable workout top feel. These workout shirts have over-sized arm openings for ease of lifting, running, fitness training, etc. Super light and soft form fitting athletic clothing. Available in sizes XS-XL with 7 vibrant colors. FREE Returns. Size fits: XS 0-2, S 2-4, M 6-10, L 10-14, XL 14-18