As of 11/10, regulations for headwear are as follows: Undress caps are baseball-style in postal blue with the emblem. Winter fur caps are trooper-style in postal blue with the emblem. Service caps are postal navy. Visors are postal blue with emblem. Sun Hats are postal navy blue with vertical emblem, crown eyelets, and an adjustable chin strap. Sun Helmets are either solid or mesh molded in white with blue chin strap. Stocking caps with face mask are knit in postal navy with emblem.
designated for the following job titles within the USPS: City Carrier, Special Delivery Messenger, Clerk Performing City Carrier Duties, Motor Vehicle Operators, Tractor-Trailer Operators, Driving Instructors and Examiners, Letterbox Mechanics, Ramp Transfer Clerks, AMF, Area Maintenance Technicians & Specialists, and Maintenance Mechanics working as Letterbox Mechanics.
