One size Circumference, in 22.83 A wardrobe icon, the low-profile baseball cap is now yours to customize. Made with 100% cotton, this 6-panel, structured cap features the signature low-profile look that made it famous outside the field. Add your own designs and get the crowd to go wild as you knock it out the park, in custom style. .: 100% Cotton Twill .: Structured, Low-Fitting .: Adjustable Velcro® closure