The unisex 3/4 sleeve baseball tee is ideal for the Tomboy style. Depending on the color, these shirts can be a blend of cotton, polyester, and rayon. The collar is ribbed knitting for improved durability. The sides have seams to provide structural support..: 52% airlume combed and ring-spun cotton, 48% polyester (fiber content may vary for different colors).: Extra light fabric (3.6 oz/yd² (122 g/m²)).: Modern fit.: Tear-away label.: Runs smaller than usual