Personalized Mardi Gras King Crown Holiday Youth T-Shirt. Mardi Gras King Youth T-Shirt - Vintage Green with gold crown with green and purple jewels for a parade or family party. 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.