The vest is an integral component of the outfit, commonly sporting patches identifying which club ... Read more: 14 Of The Best Harley-Davidson Motorcycles Ever Made The cut isn't just integral ...

To make sure the rider knows this, the vest also vibrates when ready for action. Harley installed the D-air in vests that are meant both for men (sizes S to 2XL) and women (sizes XS to 2XL).

But while there's plenty of buzz around the bike, some riders are skeptical ... is wearing a vest with a profusion of Harley Owners Group patches. He sprang for one of Harley's priciest bikes.

The vest is an integral component of the outfit, commonly sporting patches identifying which club the biker belongs to. However, anyone who hangs out with bikers won't hear them referred to as vests.