Get ready to celebrate Pi Day in style with this quirky "Be Irrational, It's Pi Day" t-shirt! Featuring a vintage-inspired rainbow design with the iconic π (Pi) symbol, this shirt is a must-have for math enthusiasts, teachers, students, and anyone who loves a good geeky pun.

This soft and breathable unisex tee offers a comfortable fit, making it perfect for classroom fun, Pi Day events, or simply showing off your love for math. Whether you're solving equations or just grabbing a slice of pie, this shirt adds a smart and playful twist to any outfit.

✅ Clever "Be Irrational" design with a retro twist
✅ High-quality, soft fabric for all-day comfort
✅ Unisex fit – perfect for math lovers of all ages
✅ Great gift for math teachers, students, nerds, and geeks

Add some humor to your wardrobe—grab your "Pi Day" t-shirt today!