Personalized 3rd Anniversary Celebrating Our Adult Sweatshirt. 3rd Anniversary Adult Sweatshirt - White with words �Celebrating Our 3rd Anniversary�. Add a name or customize for a personalized anniversary gift. 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.