Description This ladies slim fit Michigan Wolverines shirt features Biff the Wolverine. Go Blue! This is an officially licensed Banner 47 Brand t-shirt made with a 50/1 threadweight ringspun cotton. It's unbelievably soft and quite thin, making it easily one of the most comfortable tees that we've ever sold. It will conform to your body, though, which not everyone likes.    This is an officially licensed Banner 47 Brand t-shirt made with a 50/1 threadweight ringspun cotton. It's unbelievably soft and quite thin, making it easily one of the most comfortable tees that we've ever sold. It will conform to your body, though, which not everyone likes. '>