Personalized 30th Super Birthday Youth T-Shirt. You're 30! Able to reach middle age in a single bound! You may not feel like a superhero at thirty, but you can look like one. Funny birthday gift for the hero in your life. 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.