Body replacement mods that make the skin naked instead effectively remove this fake underwear. To add something back, you have to equip an additional item of clothing. Many of the mods which add underwear are simply designed to provide a skimpy outfit which is worn instead of armour/clothing....
- Valhalla Combat Parry Sounds Replacer - Valhalla Combat RLE Patch - Vampire Clothing Expansion - Vampire Clothing Expansion - SPID - Vanargand Animations - Sneak Crossbows - Vanargand Animations II - Unarmed Non Combat Locomotion - Vanilla Hair Remake NPCs - Various Dialogue Tags - Immersive Wen...