ComputerGear Funny Math T-Shirt Geek Nerd Algebra Equation Unisex Adult Tee X=Y 99% cotton/1% polyester T-shirt; Machine wash/dry Small fits chest/bust 34-36 in. chest, Medium fits 38-40, Large fits 42-44, X-Large fits 46-48, plus size 2XL fits 50-52, 3XL fits 54-56, 4XL fits 58-60 Do the math wearing funny math equation t-shirt Algebra tshirt makes a great STEM gift Witty math tee shirts are unisex and fit both men and women Novelty graphic shirts with funny sayings are a ComputerGear&reg copyrighted/trademarked design; DON'T BUY COUNTERFEIT ITEMS FROM OTHER SELLERS