The answer is American rugby team
Referees in football wear a referee uniform. Usually this consists of black pants with a black and white stripped shirt.
Yes, you can wear your dress uniform at a sporting event.
tour de France
You should wear something comfortable and season appropriate to a sporting event. Many people who attend sports events wear clothing that supports their team.
A netball referee can wear different articles of clothing. Typically for women it is a polo shirt and a skirt of matching colors, which are usually white.
If it is formal, that will be fine. If it isnt formal, I would just suggest a shirt.
Cycling. The Tour De France in particular.
a referee jersey
You should wear running shorts and a tight shirt. You also should wear comfortable running shoes and socks.
colombians wear sporting clothes and they woman also wear tight and t-shirt they are always wearing fancy clothes and well dress for everthing
If you're "into" UFC/MMA, feel free to wear your favorite tee shirt. Otherwise, standard casual wear is fine.