The mod adds to the game leather armor Mk I and Mk II from Fallout 2. 
MkI armor can be made on a workbench, having three leather armor and repair skill 25.
MkII armor can be made on a workbench, having four leather armor and repair skill 25.
You can also buy this from some merchants (for example, at the 188 trading post) or pick it up from raiders.
English and Russian versions are present.