Master Builder's Shirt


 * This shirt is one of only three Bind on Pickup (BOP) shirts that currently are available to both factions.
 * The Master Builder's Shirt is a rare shirt drop from Fineous Darkvire in Blackrock Depths.
 * The shirt's colors make it a good match for the rogue's Shadowcraft Armor.
 * The Master Builder's Shirt has the highest item level of all shirts in game.

Source
This is a rare drop from Fineous Darkvire in Blackrock Depths.