Personalized Sin to Look This Good at 40 Toddler Long Sleeve T-Shirt. Look This Good At 40 It's a sin to look this good at 40. Great birthday gift for the big 4-0. Happy 40th birthday, 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.