Sometimes found on their inventory even when it is not worn by default.
This becomes the case thanks to a Fallout 4 survival mod known as Sim Settlements, fallout 4 open world mod. Views Griefer dynamics: spawn marker selection more random, speed varies with distance, hold if player is in scene or workbench.
It can be upgraded with ballistic weave, and does not take up armor slots. It provides a bonus of 1 to Charisma and Endurance. This outfit comprised of a pale green button up, khaki pants, and black combat boots.
The green shirt and combat boots is an outfit in Fallout 4. For the clothing in Fallout 76, see Green shirt and combat boots (Fallout 76).