Pi Day shirt Be Irrational: It’s a witty Pi Day Comfort Colors tee designed for math lovers. This Pi Day shirt makes the circle of math nerds smile with a playful “Be Irrational” message paired with a Pi symbol, perfect for classrooms, study sessions, or casual Fridays.
Crafted from 100% ring-spun cotton, this Comfort Colors 1717 T-shirt uses ethically grown US cotton for a soft, breathable feel. The pre-shrunk fabric means a consistently good fit wash after wash, while Direct-To-Garment (DTG) printing delivers crisp artwork that won’t crack or peel like vinyl.
Ideal for math teachers, students, and anyone who loves numbers, this shirt blends comfort with a conversation starter about Pi, circles, and classroom humor. It also serves as a thoughtful gift for a math teacher on Pi Day, graduations, or birthdays. Ships from the United States with 1–3 days processing and 2–8 days transit.
- 100% ring-spun cotton (US-grown, ethically sourced)
- Comfort Colors 1717 style for a relaxed, everyday fit
- DTG print remains vibrant and crack-free
- Pre-shrunk for consistent sizing
- Machine wash cold, tumble dry low
- Shipped from the United States
Ready to celebrate Pi Day in style? Add this playful math tee to your cart and wear your love of numbers with confidence.
