Personalized Autism Awareness Ribbon Autism Awareness Month T-Shirt. The Autism Awareness Ribbon features a vibrant design that represents the diversity and uniqueness of individuals on the autism spectrum. It serves as a reminder to embrace differences and foster inclusivity in our communities. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.