Personalized Mimi Loves Me Grandson Truck Youth T-Shirt. My Mimi Loves Me Youth T-Shirt - White has cute dump truck filled with colorful hearts for a grandchild from their Nana Grandma. 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.