Personalized Cinco De Mayo Fiesta Sombrero Hat Adult Sweatshirt. Cinco De Mayo Adult Sweatshirt - Black has fiesta party sombrero design for celebrating May 5 Mexican Independence Day. 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.