<Ol> <Li> Headgear: A black felt Hardee hat, the Model 1858 Dress Hat, with one brim being secured by means of a metallic eagle after the U.S. coat of arms of the day . Forage caps were regulation for service and non-dress occasions, while the non-regulation kepi was also widely used . </Li> <Li> Coat: In Prussian blue, tight fitting and almost knee length, trimmed in arm of service piping along the collar edges; and in the French - peak styled cuff trim, for all enlisted ranks . Company officers wore an untrimmed single - breasted coat, with shoulder straps to signify rank and branch of service . Cavalry and mounted artillery used a short jacket, which were more practical for riding . Field and general officers wore a double breasted version, with the option for black velvet collar and cuffs . A sack coat was also issued as a fatigue uniform, being lined for recruits, and unlined for a service uniform . Rank insignia was worn on the coat, the same as the dress frock . </Li> <Li> Greatcoat: In sky blue, with standing collar and French cuffs and a fixed short cape . Officers could wear this or a dark blue variant . </Li> <Li> Trousers for all enlisted men and company grade officers were sky blue . NCOs had a vertical stripe in arm of service colors . General officers, field officers, and officers on higher staffs wore trousers of the same shade of blue as the coat . General officers had their trousers trimmed with double striping in gold, with all other officer grades wearing piping with their respective branch of service. . </Li> </Ol> <Li> Headgear: A black felt Hardee hat, the Model 1858 Dress Hat, with one brim being secured by means of a metallic eagle after the U.S. coat of arms of the day . Forage caps were regulation for service and non-dress occasions, while the non-regulation kepi was also widely used . </Li> <Li> Coat: In Prussian blue, tight fitting and almost knee length, trimmed in arm of service piping along the collar edges; and in the French - peak styled cuff trim, for all enlisted ranks . Company officers wore an untrimmed single - breasted coat, with shoulder straps to signify rank and branch of service . Cavalry and mounted artillery used a short jacket, which were more practical for riding . Field and general officers wore a double breasted version, with the option for black velvet collar and cuffs . A sack coat was also issued as a fatigue uniform, being lined for recruits, and unlined for a service uniform . Rank insignia was worn on the coat, the same as the dress frock . </Li> <Li> Greatcoat: In sky blue, with standing collar and French cuffs and a fixed short cape . Officers could wear this or a dark blue variant . </Li>

Who wore the blue coats in the civil war
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