This retextures the Anniversary Suit's collared shirt and tie to be all-black; similar to John Wick's suit style.

Place in your mod_overrides folder.
default folder location:
(C:\Program Files (x86)\Steam\steamapps\common\PAYDAY 2\assets\mod_overrides)

The mod I'm using in the screenshots, which restores full sleeves in first-person view:
Pre-199.5 Update First Person Sleeves
https://modworkshop.net/mod/28147