When applying an armor mod, the name of the armor part can change accordingly. Some clothing can be upgraded at the workbench, such as vault jumpsuits and red dresses. Armor workbenches can be found all over the Commonwealth, including one outside a house nearby the workshop in Sanctuary Hills, along with a weapons workbench and a power armor station.

The armor parts that can be modified are divided into chest, right arm, left arm, right leg and left leg.

The Sole Survivor can use the armor workbench in order to attach and detach armor mods on body armor parts and some clothing pieces.