GEARED TO BE IRRATIONAL Finally, one of math's most unique numbers ? visualized. There's something so inspiring about a number that can run to infinity, while never repeating itself. Created for engineers, scientists, and math lovers, this loopy, abstract pi design reminds us that we are all one of a kind, and full of endless possibilities, just like pi. And it's perfect for March 14th ? Pi Day, of course! Fitted unisex t-shirt Soft feel and lightweight Tagless inside collar Side-seamed 60% ring-spun cotton / 40% polyester Designed and silkscreen printed in the USA At STORY SPARK, we take great pride in creating unique illustrations on soft, lightweight graphic tees that allow you to tell a story and spark connections wherever you go. Make this abstract pi shirt part of your story, and see what conversations you can inspire.