Personalized Autism Research Puzzle Ribbon Awareness Toddler Long Sleeve T-Shirt. Autism Research Support Ribbon Toddler Long Sleeve Tee - Kelly Green gift with puzzle ribbon logo for ASD, autistic spectrum PDD-NOS. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.