Personalized Autism Month Puzzle Ribbon Youth T-Shirt. Puzzle ribbon Youth T-Shirt - Kelly Green for Autism, Asperger's and Autistic Spectrum Disorder walk events or April awareness and support month. 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.