New uniforms will make Post Office messenger boys smarter for Coronation. Shoe replace boots. A complete revision of dress is being carried out by the Post Office in an effort to make messenger boys even smarter for the Coronation year. A new summer uniform in lighter material is being provided, complete with new type leggings and pouch. Shoes are to replace boats. But although they will now wear a collar and tie, open necked shirt is forbidden. Photo shows: the new type of uniform, showing the open-necked jacket, new belt and pouch, compared with the old (left). 24 February 1937