Long Sleeve Pi Shirt, Pi Day Womens Shirts-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester, Imported, Machine wash cold with like colors, dry low heat, This pi day shirt kids makes a perfect pi day gift for math geeks! Gifts under 20 dollars, Perfect math lover tee shirts for teachers to celebrate Pi Day. Great gift for math geeks and math teachers alike!, Lightweight, Classic fit, Double-needle sleeve and bottom hem