This mod adds an outfit called Black Trench Coat which is a reskin of Nick Valentine’s outfit but it’s a standalone item and does not replace Nick’s outfit. The coat is somewhat shorter than Nick’s. It can be stolen from a table in Fallon’s Basement in Diamond City or can be purchased from the store’s owner at a base value of 15. The outfit can be modified with ballistic weave if it’s been unlocked. The outfit is based on those of Max Payne from the game series of the same name and that of Alex Casey from Alan Wake II.
The texture on the tie comes from here.
There is a legendary version called Painkiller Coat with the Martyr’s effect. This version can also be modified with ballistic weave.
Location: BADTFL regional office in a suitcase on a desk next to some chems and bourbon.