Pi Day Logo

Pi Day Merch

Celebrate Pi Day in style. Wear one of these official Pi Day shirts and join the world in celebrating the best day of the year. The compliments you’ll receive will go on and on, just like the digits of pi. Perfect for anyone who wants to celebrate Pi Day, but especially great for math lovers, pun lovers, engineers, and teachers. Don’t be irrational, get these shirts today!

Pi Shirt - Irrational but well-roundedPi Day Shirt - GrayWhite Pi ShirtChicken Pot Pi Shirt - Blue

numbers of pi tshirtpi tshirt pi shirtpi shirt

pi day shirt Pi Day shirt