I wanted nice looking clothes with high DT, so I made this mod. ALL items are Quest Items so they stay in Inventory.
OR
You can use the optional esp for non-quest items

Clothing has 25 Dt & 25 AR, Hats and jewelry 5 DT & 5 AR, Glasses 1DT & 1 AR

Black Zoot Suit (25 DT & AR) & Hat (5 DT & AR)
Ranger Outfit (25 DT & AR) & Hat (5 DT & AR)
Gunslinger Outfit (25 DT & AR) & Hat (5 DT & AR)
Dark Suit (25 DT & AR) & Hat (5 DT & AR)
Black Suit (25 DT & AR) & Hat (5 DT & AR)
Formal Wear (25 DT & AR) & Hat (5 DT & AR)
Purple Zoot Suit (25 DT & AR) & Hat (5 DT & AR)
Vacquero (25 DT & AR) & Hat (5 DT & AR)
White Zoot Suit (25 DT & AR) & Hat (5 DT & AR)
White & Black Zoot Suit (25 DT & AR) & Hat (5 DT & AR)

Also includes some Uber items: 
Stealth Ring (Invisibility When Crouched)
Radiation Necklace (+75 Rad Protection)
Rebreather (Underwater Breathing)
Legion Disguise Hat (5 DT & AR)
Raider Disguise Hat (5 DT & AR)
Lucky Glasses (Luck +1, Per +3)
Formal Wear (25 DT & AR) & Hat (5 DT & AR)


Copy and paste the ONLY ONE.esp, plus the meshes and textures to your Fallout New Vegas Data folder
Don't forget to activate the mod in FOMM, NMM, or your Fallout New Vegas Launcher.

There are two files, Install only ONE!
Sneaky Armor.esp - All armor is marked as quest items so they will stay in your inventory
Sneaky Armor - Non Quest.esp - Nothing marked as quest item

All Outfits are in a First Aid Box attached to The wall in Doc Mitchell's House
To get the footlocker with Clothes & Jewelry, open the console and type "player.placeatme XX000813" without the quotes.
Substitute load order from FOMM or LOOT for the XX.


Credits:

Black Zoot Suit by Moraelin https://www.nexusmods.com/newvegas/mods/36131/?

White Zoot Suits by Clinster74 https://www.nexusmods.com/newvegas/mods/41185/?tab=files

Gunslinger Outfit & Hat by Ginger9 https://www.nexusmods.com/newvegas/mods/37526/?

Black Suit & Tuxedo by Dall https://www.nexusmods.com/newvegas/mods/41030/?

Black Fedora by Viking22 https://www.nexusmods.com/newvegas/mods/36497/?

Ring by Jonas Opines https://www.nexusmods.com/newvegas/mods/47059/?

Necklace by Exeter https://www.nexusmods.com/newvegas/mods/37969/?

1st Aid Box locations by Crane https://www.nexusmods.com/newvegas/mods/42178/?