Ratty Skirt 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 Ratty Skirt
You can find this outfit next to the Apparel vendor Flauresca in Whitespring Resort (lower level). Or Eastern Regional Penitentiary, second floor inside a cell in Solitary. You need to open the cell first using the security terminal next room (level 2 hacking)
Ratty Skirt Notes & Tips