<P> The primary home uniform for the Boston Red Sox is white with red piping around the neck and down either side of the front placket and "RED SOX" in red letters outlined in blue arched across the chest . This has been in use since 1979, and was previously used from 1933 to 1972, although the piping occasionally disappeared and reappeared; in between the Red Sox wore pullovers with the same "RED SOX" template . There are red numbers, but no player name, on the back of the home uniform . </P> <P> The Red Sox current uniform and cap logo set has been in use since 1946 . While the home uniform has remained virtually the same since then, the road uniform has undergone several minor changes, most notably changing between red and blue lettering on five different occasions . </P> <P> From the introduction of the Red Sox current cap and uniforms in 1946 until 1971, the road uniforms used blue block letters and numbers . With the switch to pullover jerseys in 1972, the lettering was switched to red in the same font as the home uniform . The pullovers were dropped in 1979 and the road uniforms once again used blue block letters . However, the red home lettering returned in 1990, along with the home font . In 2009, the lettering was switched to blue yet again, but using the home font . In 2014, the road uniforms again switched to red in the home uniform font . </P>

When do the red sox wear red jerseys