wearing a cap
In French, 'porter une casquette' is used to describe the action of wearing a cap, which is a type of headwear often associated with casual attire, sports, or sun protection. The verb 'porter' means 'to wear' or 'to carry,' and 'casquette' specifically refers to a cap with a visor. This phrase can be used in various contexts, such as discussing fashion choices or describing someone's appearance.