Made from 50% polyester and 50% wool and coming from 'wicked / hardcore' city Boston and the Incredible Hulk! Yeah! Produced by famous New Era, this Hulk Boston Celtics 59Fifty Flat Billed Cap is a white billed / green backed hat featuring Marvel's gamma induced rage monkey the Hulk and the baskeyball(purposely misspelled) team the Celtics! I think I saw the Celtics once - they were in a movie where Mel Gibson was fighting the English for control of the highways of Australia. That's what happens in sports, right?