ComputerGear Funny Pi Shirt T Shirt Math Geek Nerd Graphic Adult Get Real Rational Ash 99% cotton/1% polyester; Machine wash/dry Small fits chest/bust 34-36 inches, Medium fits 38-40 inches, Large fits 42-44 inches, XL fits 46-48 inches, plus size 2XL fits 50-52 inches, 3XL fits 54-56 inches, 4XL fits 58-60 inches Funny Pi t shirt makes the perfect STEM gift for your math genius; Unisex size fits men and women Clever pi tshirt features cartoon with mathematical pi symbol telling the mathematical symbol i to "Get Real", while the Pi symbol retorts back "Be Rational" Wear fun math shirt on Pi Day; Math teachers love Pi tee shirt Novelty adult Pi shirts are a ComputerGear copyrighted/trademarked design. Designed and printed in USA by ComputerGear only; DON'T BUY COUNTERFEIT ITEMS FROM OTHER SELLERS