Personalized Autism Awareness Proud of my Brother Long Sleeve T-Shirt. This puzzle piece design with heart has proud of my brother slogan for kids on a Long Sleeve T-Shirt - White for Autism awareness month. 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