A classic t-shirt in soft, ring-spun cotton with a modern fit, this will be a wardrobe favorite! Made from a single piece of cloth, this tee is a comfortable and versatile everyday staple. Solid colors are 100% ring-spun cotton (Sport Gray is 90% ring-spun cotton, 10% polyester; Heather colors are 65% polyester, 35% cotton.) Tubular construction for sizes M-L, XL Side-seam construction for sizes XS, S Shoulder-to-shoulder taping Wash cool, hang dry or tumble dry low Cool iron inside-out

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Celebrate March 14th with a fun dose of math-inspired style! This colorful "Happy Pi Day" graphic design is perfect for math students, teachers, engineers, science enthusiasts, and anyone who loves numbers. It's a playful choice for classroom celebrations, Pi Day events, school activities, or everyday wear for proud math fans. Featuring a large white π symbol surrounded by colorful lettering, rulers, protractors, numbers, equations, and other math-themed details, this design creates a vibrant and eye-catching look on dark apparel. Perfect for T-shirts, hoodies, sweatshirts, and tote bags. A fun gift for math teachers, students, professors, engineers, math geeks, science lovers, or anyone ready to celebrate March 14th with a little mathematical humor!