Personalized Autism Cousin Puzzle Piece Long Sleeve T-Shirt. Autism I Love My Cousin Long Sleeve T-Shirt - Pink has cute pink heart with puzzle piece awareness and support logo for an autistic spectrum walk or event. 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