Fallout 76 Underarmor

Underarmor is a type of apparel $$

Gameplay
Underarmor is upgradable apparel that is layered below equipped armor and outfits. Each underarmor is assigned to a single lining group, each with their own modifications which provide additional protection and grant SPECIAL bonuses. For example, the Vault 76 jumpsuit may only be modified with Vault Tec underarmor linings.