Blue dress uniform White dress uniform _Rating_, Petty officer first _Rating_, Seaman first class, class, indicated by rating badge indicated by three stripes on with chevron of three stripes cuffs _Seaman Branch_, indicated by _Seaman Branch_, indicated by rating badge being on right arm branch mark being on right shoulder seam] _The white dress uniform_ for chief petty officers and officers’ stewards and cooks consists of a white duck coat, white duck trousers, white cap, white shirt and collar, black tie and white shoes, the coat and trousers being made after the same style as the blue dress coat, and the cap having a black visor and band and a white crown. For all other enlisted men (except bandsmen) the white dress uniform consists of a white dress “jumper” shirt with blue cloth collar and cuffs, white trousers, black neckerchief, black shoes and a white hat. The white dress jumper is not tightened at the waist like the blue overshirt but is cut off square about six inches below the waist and allowed to hang free. _The blue undress uniform_ for chief petty officers and officers’ stewards and cooks is the same as the blue dress uniform for these men except that the material of which it is made is blue serge and a blue flannel shirt may be worn. For all other enlisted men (except bandsmen) the blue undress uniform consists of a blue undress jumper, blue cloth or flannel trousers, blue cap or white hat and black shoes. The blue undress jumper is the same as the overshirt except that there are no stripes of braid or stars on the collar or cuffs and the sleeves are not buttoned at the cuff but cut off square and hemmed. _The white undress uniform_ for chief petty officers and officers’ stewards and cooks is the same as the white dress for these men. For all other enlisted men (except bandsmen) it consists of a white undress jumper of the same style as the blue undress jumper and white trousers and white hat, the jumper and trousers being made of white navy drill. _The working dress uniform_, blue or white, for all enlisted men is the same as undress, blue or white as the case may be, except that chief petty officers and officers’ stewards and cooks may go without the coat and wear the blue flannel shirt if in blue, and other enlisted men do not wear the neckerchief and may wear the watch cap when in blue. The watch cap is a dark blue knitted cap without visor or brim that may be pulled down over the ears for cold weather. [Illustration: U. S. Navy. Chief petty officer Blue working dress uniform _Rank:_ Chief Master-at-Arms] [Illustration: U. S. Navy. Winter uniform Wind and rain proof uniform worn by crews of U. S. Destroyers and Patrol Vessels during winter in northern waters]