#1 Flat Brim Adjustable Cap – Blackened Pearl. Pit crew styling gets a facelift for race fans with the Limited Edition #1 Flat Brim Adjustable Cap. Made from strong yet breathable cotton twill with a touch of spandex for added stretch. With a flat brim for a more modern look, this cap also features an adjustable slider for your ideal fit. Finished with our embroidered #1 and Racing Department graphics for a legendary Harley-Davidson look^®. Learn about its history: The #1 logo shown here was first used in 1969 to commemorate our AMA Grand National Championship title. Order today - stocks of this winning selection are limited.