For this you need to type some things into the developer console of this game. Eli's Armour Compendium also has some armored vault suits based off the utility jumpsuits found in Fallout 4. Fallout 4 – the game that has many systems.

Classic Armored Vault Suit? Vault suit has been the 'Canon' suit since Fallout 1, so all they are doing is keeping a tradition, ya dont really need to feel the need to abide by it.