Personalized Autism Autistic Spectrum Ribbon Support Walk Youth T-Shirt. Autistic spectrum disorder Youth T-Shirt - White has peace sign, heart and puzzle ribbon logo with Autism support and awareness message. 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.