This is a 100% officially licensed shirt. Mario Kart is a beloved racing game, a classic! This shirt features some of the more popular characters from the franchise like Mario, Luigi, Donkey Kong, Yoshi, and Waluigi all ready to race. This shirt is made from 100% Cotton and is tagless for added comfort. Look for the care and washing instructions printed on the inside of the collar. This is a great shirt and would be a great addition to your collection. Makes a great gift too.