Personalized Keep Calm Mardi Gras Women's T-Shirt. Mardi Gras Women's T-Shirt - White with green, purple and yellow fleur de lis says KEEP CALM AND MARDI GRAS. Distressed finish. Perfect for Fat Tuesday parades and celebrations. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout