Personalized Proud Mother Of An Autistic Son Awareness Month T-Shirt. Join the movement and let the world know that you are a proud mother of an autistic son. Together, we can make a difference and create a more inclusive and understanding society. Get your proud mother autism awareness design today and help raise awareness for this important cause! 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.