Personalized Grandson Autism Awareness Support Long Sleeve T-Shirt. I love my Grandson with Autism Long Sleeve T-Shirt - Pink has a puzzle piece with pink heart on this support and awareness gear for a Grandma or Grandfather with a grandchild on the autistic spectrum. 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