EXCLUSIVE! You can't divide by zero. Seriously. It's illegal. Because, for example, if 10÷5 = 2, that means 2 x 5 = 10. But 10÷0 = ? and anything times 0 is always 0. So move along. Black sweatshirt is 50/50 cotton-poly; T-shirt is preshrunk 100% cotton. Sizes M-XXL. Imported.