Personalized Autistic Brother Rocks Long Sleeve T-Shirt. Autism awareness Long Sleeve T-Shirt - White for sisters and brothers with puzzle pieces says MY BROTHER ROCKS ACCEPT UNDERSTAND LOVE. 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