Personalized Autism Spectrum Awareness Walk Owl Long Sleeve T-Shirt. Autism Spectrum Awareness Walk Owl Long Sleeve T-Shirt - Vintage Royal Blue with puzzle ribbon logo for an April support walk or for a special ed class teacher. 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