Pirate clothing is worn by players who want to look like pirates and includes:
Pirate clothing can be purchased from Mike on Mos Le'Harmless.
The Naval Uniform is also considered to be pirate attire; its pieces include:
Naval pieces can be purchased from the Trouble Brewing minigame.
Patchy will also sew together some pieces of pirate and non-pirate attire alike together for a small fee.
While not part of any particular 'set' of pirate gear, the following can also be worn by players who want to look like pirates: