This Bruno Mars photo contains
jersey, t-shirt, tee-shirt, maillot, and tee shirt.
There might also be
lunettes de soleil, lunettes noires, des nuances, nuances, lunettes, plaisancier, leghorn, panama, marin, skimmer, chapeau de paille, barbeau, chapeau, écumoire, paille, canotier, livourne, chapeau panama, and sailor.