Personalized Tool Box Best Father Youth T-Shirt. Father's Day Youth T-Shirt - White for dads and step dads with a box of tools says BEST FATHER IN THE WORLD. Perfect for handy dads. 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.