Learn how to say Freestyles correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word freestyle:
denoting a contest, race, or version of a sport in which there are few restrictions on the moves or techniques that competitors employ:
a freestyle contest, in particular a swimming race in which competitors may use any stroke:
the men’s 100 m freestyle
dance, perform, or compete in an improvised or unrestricted fashion:
he just came in and freestyled over the music