Personalized 1st Mardi Gras T-Shirt. Cute Mardi Gras T-Shirt - White with a big green number 1, green, purple and gold jester hat and purple beads. Text says MY 1ST MARDI GRAS. Graphics by JW Illustrations. 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.