Personalized My Opa Loves Me grandchild Youth T-Shirt. My Opa Loves Me grandson and grandpa dinosaur Youth T-Shirt - White gift for Fathers Day or a new Opa. 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.