Personalized Christmas Letter O Santa Hat Alphabet Adult Sweatshirt. Cute Santa Alphabet Letter O on a holiday Adult Sweatshirt - Black gift. So cute for holiday baby shower gifts, Christmas parties, or to have a Christmas Photo taken in. 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.