Uniforms of the Royal Marines musicians, plus cadets and instructors of the affiliated cadet organisations. This is the same as 1B dress but is worn with medal ribbons instead of medals and decorations. This consists of a scarlet mess jacket with a royal blue shawl collar, worn with royal blue trousers with a scarlet stripe, Marcella shirt and royal blue mess waistcoat. Officers above the rank of brigadier have their rank on shoulder straps, whilst all other officers have their rank marking positioned horizontally on the lapels of the collar. Officers of the rank of lieutenant-colonel wear stiff-fronted shirts and overalls (tight fitting cavalry trousers),
History of suits known as "Oxford bags." Trousers also began to be worn cuffed shortly after World War I and this style persisted until World War II. Trousers first began to be worn creased in the 1920s. Trousers were worn very highly waisted throughout the 1920s and this fashion remained in vogue until the 1940s. Single-breasted suits were in style throughout the 1920s and the double-breasted suit was mainly worn by older more conservative men. In the 1920s, very fashionable men would often wear double-breasted waistcoats (with four buttons on each side) with single-breasted coats. Lapels on single-breasted suits were fashionably worn peaked