Pre-loved. Size Small. This Super Mario Kart boxer set is officially licensed NES merchandise. The loungewear set includes a ringer-stvle shirt (60% cotton/40% polyester) booty boxer shorts (65% polyester/35% rayon) The shirt features a large front design showcasing 8 playable Super NES racers Luigi, Mario, Toad, Bowser, Koopa Troopa, Yoshi Princess Peach, and Donkey Kong. The booty boxer shorts have a thick. wide elastic-stretch waistband and a matching repeat Mario Kart character print