Officially licensed by the MLB Designed and manufactured by '47 Brand Clean Up hat is made from 100% cotton twill with a pre-curved bill One size fits most with an adjustable strap closure in the back Raised embroidered team logo on the front with a small team logo flag on the back This MLB Clean Up Adjustable Hat Cap from '47 is the perfect hat for any baseball fan. It is made from 100% polyester and has a relaxed fit with an adjustable strap to ensure a comfortable fit for all head sizes. The hat features a classic curved bill with a team logo on the front and a team name on the back. The cap is machine washable and is a great way to show your support for your favorite team.