Personalized Neurofibromatosis Blue ribbon Toddler Long Sleeve T-Shirt. Neurofibromatosis blue awareness ribbon Toddler Long Sleeve Tee - Light Blue for support events and awareness month. 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.