As the retro cap craze has caught on so has crown piping.  You can choose from
any of the below colors as well as specify whether you want the front seam covered
with piping (above left) or not (above right).

Colors Available:
Gold, Orange, Red, Cardinal, Maroon, Purple, Black, Silver, White, Brown,
Vegas Gold, Teal, Kelly Green, Dark Green, Navy, Royal, Columbia Blue, Goldstone