During the Straw Hat Pirates' travels throughout One Piece, Monkey D. Luffy and his crewmates have received several wardrobe changes — Roronoa Zoro, the first addition to the crew, is no exception. Although his green-haired grit is ever-present, Zoro's aesthetic has changed alongside some of the best outfits seen in the series.
Source:https://www.cbr.com/one-piece-zoro-best-outfits-ranked/