Personalized Super Math Teacher Youth T-Shirt. Youth T-Shirt - White for teachers with shield, Pi symbol and banner says SUPER AMAZING MATH TEACHER. Perfect teacher appreciation gift for your favorite superhero mathematics teacher. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.