Unisex SweatshirtThe unisex soft cotton sweatshirt is a seamless blend of comfort and style. The fiber is a blend of cotton and polyester. This combination makes for a prime printing surface. The seams have ribbed knitting. Durability is further assured by the inclusion of neck tape backing. As such, the collars are elastic and stretchy. .: 80% cotton, 20% polyester (fiber content may vary for different colors) .: Medium heavy fabric (9. 9 oz yd (280 g m)) .: Stylish