Mario Hat for Boys 4-6 - Super Mario Hat Bundle with Mario and Luigi Baseball Cap for Kids Plus Stickers, More | Super Mario Baseball Hat for Boys, Kids. This Super Mario baseball cap set includes one Mario hat with adjustable back strap and colorful artwork of Mario, Luigi, and Yoshi across the front. This Super Mario cap for boys measures 6'' x 5'' x 10'' and with its adjustable back strap, it comfortably fits most young children's heads. Great for any fan of Mario and video games, this Mario and Luigi baseball hat is perfect to give as a gift to your favorite Suoer Mario or videogame fan. Officially licensed Super Mario hat for kids of all ages, boys and girls alike, also comes with Rex-Man stickers and a Rex-Man door hanger.