Personalized Five Tastic 5th Birthday Youth T-Shirt. I'm Five Tastic! Pow! Wow! Fifth birthday comic book style for your phenomenal little superhero. Great 5th birthday present. 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.