Personalized Old As Dirt Youth T-Shirt. Old as dirt, and just as lively. When you're way over the hill and you were on a first name basis with fossils, this is for you! Funny birthday gift for your favorite senior citizen! 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.