Personalized Sin To Look This Good at 50 Toddler Long Sleeve T-Shirt. It's a sin to look this good at 50. Happy 50th birthday, you good looking 50 year old! 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.