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),
Trousers breeches as fashionable street-wear. At this point, even knee-length pants adopted the open bottoms of trousers (see shorts) and were worn by young boys, for sports, and in tropical climates. Breeches proper survived into the 20th century as court dress, and also in baggy mid-calf (or three-quarter length) versions known as plus-fours or knickers worn for active sports and by young schoolboys. Types of breeches are still worn today by baseball and American football players, and by equestrians. Sailors may have played a role in the worldwide dissemination of trousers as a fashion. In the 17th and 18th centuries, sailors