Kira's Sleek Skirt

Kira's Sleek Skirt is a premium leg-slot light armor. It can be obtained by Jedi Knights as a mission reward for completion of the level 29 mission Siege Mentality, on the planet Alderaan.

Source
Kira's Sleek Skirt is a mission reward obtained by completing Siege Mentality, a level 29 mission obtained on the planet Alderaan.
 * Mission reward