Personalized KiniArt Santa Brittany Toddler Long Sleeve T-Shirt. Christmas Brittany Mini Goldendoodle dog breed art by Contemporary PUP Artist, KiniArt. © Kim Niles, KiniArt™ - All Rights Reserved 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.