Introducing the Men's Oakland Athletics 9forty League Cap by New Era, a must-have accessory for A's fans. This structured fit cap is made from 100% polyester, featuring a mid crown and curved bill for a classic look. It offers an adjustable fit with a hook and loop fastener strap and is designed with six panels with eyelets for ventilation. Embroidered graphics and a woven tag complete its design, and it proudly carries the official license.