The Blue Civilian Shirt is a civilian shirt found in Apocalypse Rising. It can be purchased in the spawn menu for 1 credit. 
Blue Civilian shirt


This is one of the variants of the civilian shirt. It is, as the name implies, is a light blue shirt not unlike one an average citizen would wear. Being blue, this shirt is not very good to camouflage yourself at any time. It can be found at any civilian loot spawn.