Personalized 2021 Evolution Toddler Long Sleeve T-Shirt. Class of 2021 Evolution - A happy school senior jumps high in the air with diploma in hand after evolving his way through school. Great graduation gift! 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.