This costume is best suited for a mature audience, since Cheech and Chong are the comedic stars of marijuana movie mayhem. The Cheech costume features a cropped yellow shirt with red suspenders and a red cap. The Cheech costume also includes a Cheech wig and mustache. This cult duo from the 70s made feature films of their wild antics, and became icons of hippie comedy. The Adult Cheech Costume will have you looking like one of the most famous hippies in town. You can make this outfit even better by adding on your favorite peace sign jewelry, hippie sunglasses, and just about anything emblazoned with a marijuana leaf. Add your favorite pair of jeans to complete the look. Cheech Halloween costumes make an ideal outfit when paired with a friend dressed as Chong. This costume is sure to set your next party up in smoke!