Just The Tip Unisex 3\4 Sleeve Baseball TeeBella+Canvas. The unisex 3 4 sleeve super comfy shirt has 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 yd (122 g m)) .: Modern fit .: Tear away label .: Runs smaller than usual S M L XL 2XL Width, in 17. 64 19. 61 21.