Multifunctional Stars & Stripes Headwrap can be used in a variety of ways, including as a skullcap, face mask, and much more. Whether worn on its own or under a helmet, U.S. flag headwraps aid in protecting your head from the sun and absorbs sweat. The American skull caps provide a great way to keep your hair out of your face while performing a variety of activities, including military-style training, hunting, digging, and riding a motorcycle. Made from lightweight woven cotton material, each patriotic biker cap is one size fits most.