Star Wars: KotOR II Equipment Database: Item Details
  Biorestorative Underlay Mark IV
Template: u_a_unde_20
Tag: u_a_unde_20
Type: Armor Upgrade (Underlay)
Value: 11785
Special Properties
Upgrade Item, Armor and Robes
Constitution: +1
Regeneration: +3
Underlay can have a variety of effects on the armor to which it is applied. The modifications require a workbench with adequate tools and armor of high quality marked as upgradeable.
• This item is either very common or randomly placed throughout the game.