Funny Pythagorean Theorem Day T-shirt-TH

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester, Imported, Machine wash cold with like colors, dry low heat, Pythagorean Theorem 21st Century, Funny Birthday Gift, Pythagorean Theorem T-shirt, I was there 08-15-17, funny math for man, funny math for students Fun Holiday T-shirt, Lightweight, Classic fit, Double-needle sleeve and bottom hem