Women's Workout Tank Tops - Motivational Burnout Racerback Workout Tanks Preshrunk 65% polyester, 35% cotton for a comfortable workout feel. These workout tanks have over-sized arm openings for ease of lifting, running, fitness training, etc. Super light and soft form fitting women's workout tank tops. Available in sizes XS-XL with 7 vibrant colors in Black, Blue, Turquoise, Pink, Purple, White, Yellow in multiple designs.. 100% Satisfaction Guaranteed. Size fits: XS 0-2, S 2-4, M 6-10, L 10-14, XL 14-18