Why do Italian rugby players wear blue?

Answer 1

The color blue is used by the majority of Italy's sporting teams including their successful national soccer team, commonly known as the azzurri- meaning blue in Italian. The color is used by the teams as it was the color of the royal family that unified Italy. It is probably for this same reason that the Italian national Rugby team adorn this color, as opposed to the green, white and red found in their national flag.

Answer 2

because they like the colour blue