How do you say a blue polo shirt in french?

There are a few ways to say "a blue polo shirt" in French, depending on the level of formality:

Formal:

* Un polo bleu (This is the most literal and straightforward translation)

Informal:

* Un polo bleu (This is also acceptable in informal situations)

* Un polo de couleur bleue (This is more specific, but still common)

* Un polo bleu marine (If the blue is specifically navy blue)

You can also use the word "chemise" instead of "polo," but it is less common.

For example:

* Une chemise polo bleue (A blue polo shirt)

It's important to remember that the choice of words will depend on the context and the level of formality.