Mylar Cord for CAMPAIGN Hats COLORS: SILVER or GOLD Hat cords are a colorful, decorative accessory for your uniform hat. The cords are worn on top of the brim at the bottom of the crown and held to the hat with a three-piece leather strap which is sold separately. Colors such as gold and silver are always in stock and available for immediate delivery, however large quantities of other colors may not be in stock.