Personalized 1st Mardi Gras Youth T-Shirt. Cute Mardi Gras Youth 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. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.