ComputerGear Math T Shirt Periodic Table Chemistry Geek Nerd Men Women Tee 100% cotton; Machine wash/dry Small fits chest/bust 34-36 inches, Medium fits 38-40 inches, Large fits 42-44 inches, X-Large fits 46-48 inches, plus size XX-Large fits 50-52 inches, 3XL fits 54-56 inches, 4XL fits 58-60 inches Advance to the head of your math class wearing this smart math t-shirt Smart Periodic Table of Math T-shirt makes a great 'addition' to every math geek closet; Design progresses from basic math 'functions' to more 'integral' concepts Clever math science tee shirts are unisex and fit both men and women; Clever Tshirt makes an exceptional STEM gift for the math fan in your life Novelty adult math shirts are a ComputerGear copyrighted/trademarked design. Designed and printed in USA by ComputerGear only; DON'T BUY COUNTERFEIT ITEMS FROM OTHER SELLERS