ComputerGear Funny Pi Shirt Tshirt T Shirt Pirate Math Geek Nerd Graphic Cotton Unisex Tee 100% cotton; 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 Clever Pirates Pi T shirt proclaims 3.14% of seafarers are Pi-rates Funny math tshirt makes the perfect gift for your favorite seaman or mathematician Wear fun math shirt on ultimate 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