Be Irrational It's Pi Day Comfort Colors Sweatshirt

Be Irrational It's Pi Day Comfort Colors Sweatshirt delivers playful math humor in ultra-soft Comfort Colors fabric, the perfect pick for fans of 3.14. This relaxed-fit sweatshirt combines comfort and clever design with 80% ring-spun cotton and 20% polyester, 3-end garment-dyed fleece, and a 100% cotton face for a luxuriously soft hand.

The Direct-To-Garment printing keeps the Pi symbol and nerdy slogan vibrant through countless wears, without cracking or peeling like vinyl. OEKO-TEX-certified low-impact dyes ensure the print and fabric stay gentle on skin and the environment. Subtle details like the rolled forward shoulder and a half-moon neck patch on the back add everyday style that still reads as math-loving fun.

• Fabric: 80% ring-spun cotton, 20% polyester; garment-dyed fleece with a 100% cotton face
• Printing: Direct-To-Garment (DTG) for durable, crack-free design
• Dyes: OEKO-TEX-certified low-impact for safe, long-lasting color
• Fit & details: relaxed silhouette, rolled forward shoulder, back neck patch

Ideal for math teachers, students, and Pi Day celebrations, this piece doubles as a thoughtful gift and a conversation starter in classrooms or clubs. It’s more than a shirt—it’s a playful statement that proves math can be cozy and cool. Add this Pi Day favorite to your cart and celebrate math in comfort.