Get ready for a once in a lifetime event. Ultimate Pi Day happens March 14th, 2015 at 9:26:53. Ok... so TWICE in a lifetime if you celebrate in both the morning and at night. This cool, colorful design is sure to impress all your Math Geek friends. Nerd out with them and show your artsy side with the visual representation of Pi to 150 digits as colored circles. Each digit from 0 to 9 is a different color of the rainbow. So it's cool and good looking! An Ultimate Pi Day t-shirt, hoodie, bag or other cool merchandise make great gifts for the geek or nerd in your life. But you know you want one too!
Shop for unique Ultimate Pi Day men's t-shirts in a variety of colors and styles including football shirts, 3/4 sleeve baseball jerseys, and long sleeve styles.