It was the origianal color of Prussia.
new york giants
Red and white
Collingwood in the Australian Football League wear a guernsey with black and white vertical stripes.
White when they are playing a home game and red on a away game.
The home team status alternates between American Football Conference and National Football Conference teams each year. In Super Bowl XLVI, the New England Patriots of the AFC were the home team and elected to wear their blue jerseys. As a result, the New York Giants of the NFC were required to wear white jerseys as the visiting team. But if the Dallas Cowboys were the Super Bowl home team, they would choose to wear white jerseys because their custom is to wear that color for most home games. The Cowboys also wear white jerseys for road games whenever the host team does not wear white.
The National Football ( soccer ) team. Because they wear all white jersey, shorts, and socks
The kit is blue jersey, white shorts and red socks, recalling the colors of the french flag.
The lily whites are the Kildare Gaelic Football team. This is because they wear a completely white shirt and shorts when playing.
The Danish Team will wear Red & White The Danish Team will wear Red & White
Barcelona Football Club In The La Liga.
The colour of the jerseys worn by the Italian team is white, whe they play away. It is their second colour jersey.
They wear blue shirts with a yellow collar and white shirts. See the photo at the link below.