Personalized Autism Support I Love My Grandson Youth T-Shirt. Autism spectrum disorder awareness Youth T-Shirt - Vintage Royal Blue has puzzle ribbon heart and I love my Grandson slogan for a Grandma or Grandpa to wear during April support month walk events. 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.