Personalized Nautical Birthday, 5th Birthday, Sailor Hat, Sea Captain Adult Sweatshirt. Cute, fun and adorable design with sailor hat and number 5. Modern and trendy gift, perfect for the nautical birthday party. 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.