Funny Pi Day T-shirt - Cow Pie

This Pi Day shirt might take some people a few seconds to figure out, but when they do, the look on their faces will totally be worth the Pi Day surprise.

This t-shirt is everything you've dreamed of and more. It feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for both men and women.

Check out more of our  math teacher shirts

• 100% combed and ring-spun cotton (heather colors contain polyester)
• Fabric weight: 4.2 oz (142 g/m2)
• Shoulder-to-shoulder taping
• Side-seamed

Size guide