Personalized Autism Puzzle Ribbon Support Awareness Long Sleeve T-Shirt. Puzzle ribbon for autistic spectrum disorder ASD Autism awareness walks or for families to show support for a loved one with Aspergers or autism. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL