Personalized Mardi Gras Krewe Parade Youth T-Shirt. Mardi Gras Krewe Youth T-Shirt - White, perfect for you and your friends during the Mardi Gras festivities. 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.