Personalized Nuts About Fifth Grade Youth T-Shirt. Nuts about 5th grade text with an acorn nut is a funny play on words for elementary school teachers, parents and students who love fifth grade. 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.