ComputerGear Funny Pi Day Shirt Tshirt T Shirt Math Geek Nerd Graphic I Ate Some Sum 90% cotton / 10% 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 Pi fans love i8(sum) pi t shirt (I ate some Pie) Clever pi tshirt makes a great STEM teacher gift for the math lover in your life Wear fun math shirt on ultimate Pi Day; Math teachers love Pi tee shirt gift 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