Personalized Physics Oval Youth T-Shirt. Physics text in a in an oval of warm colors is a fun science design for physicists, teachers and students at back to school, graduation, birthdays and holiday 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.