The leather jacket shall be smooth black, tanned American cowhide of a minimum 4-ounce weight. The jacket shall be waist length, have a single vertical zipper and feature leather keeper straps with chrome or nickel snaps. The jacket shall have a leather badge holder for the official uniform badge. Any rank insignia shall be worn on the epaulets or, lacking epaulets, the collar. No other patches, insignia, or badges may be worn on the jacket. The jacket shall only be worn while assigned to motorcycle duties and with motorcycle britches and boots.