Personalized Mardi Gras Party Celebration T-Shirt. Mardi Gras T-Shirt - Navy Blue has tri color gold green and purple party design with comedy tragedy masks and jester hats. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.