Bathrobe is an Outfit in Fallout 76. These are items equipped cosmetically by the player "on top" of their armor. This feature is unique to this fallout game, and is meant to promote individuality and provide freedom for players to express themselves and role-play their characters.
How to get Bathrobe
This outfit is sold by the Apparel vendor Flauresca in Whitespring Resort (lower level).
Bathrobe Notes & Tips