Personalized Keep Calm Mardi Gras Adult Sweatshirt. Mardi Gras Adult Sweatshirt - White with green, purple and yellow fleur de lis says KEEP CALM AND MARDI GRAS. Distressed finish. Perfect for Fat Tuesday parades and celebrations. 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.