This New Era 9Forty A-Frame Snapback Adjustable charcoal Blackout Retro Hat is an officially licensed Major League Baseball cap for men. It is 50% cotton/50% polyester. This black hat features the team's logo and is part of the regular season fan apparel. Made by New Era in Bangladesh, this one-size-fits-all cap is perfect for MLB fans looking to show their support in retro style.