The piece, Mon costume Libellule de Cigale et de Fourmi, is made of a map of Palm Beach and Feathers. The dresses, shirts and kimonos always include maps as one component of the work.
Lecourt, who lives in London, is also a painter. The gallery link above leads directly to work by the artist.
You can see even more work, including paintings, at the artist website, elisabethlecourt.com.