Personalized Christmas Owl 3rd Birthday Adult Sweatshirt. Christmas owl 3rd birthday Adult Sweatshirt - White with a polka dotted number three and adorable owl in a Santa hat and striped scarf. Look Who's Three! Stay warm and stylish with this classic adult sweatshirt, perfect for everyday comfort. Crafted from soft, durable fabric, it features a relaxed fit for added coziness. Whether you’re lounging at home, running errands, or enjoying outdoor activities, this versatile sweatshirt is a wardrobe essential for any season.