Personalized 5th Birthday Baseball Boys Sports Youth T-Shirt. 5th Birthday Youth T-Shirt - White has baseball sports ball logo with being five is a ball slogan quote for kids turning 5 years old. 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.