Personalized Christmas Santa Alphabet Letter N Adult Sweatshirt. Santa Hat Letter N Christmas Adult Sweatshirt - Black gift. Alphabet letter N with red Christmas holiday hat on top. 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.