A trench coat and fedora are supposed to make you inconspicuous (E.g. Incognito tabs, detectives) by if you ever went out in public in that, you'd be the most conspicuous person there. :
The Vintage Trench Coat | a little bit of rest
Trench Coat - the 'Ultimate' Thread! | Page 87 | The Fedora Lounge
Detective coat | Fallout Wiki | Fandom
Man Posing Dark Fedora Hat Trench Stock Photo 612377429 | Shutterstock
Every Trench Coat, Fedora and White Boot to Buy This Fall – Fashion Steele NYC
Every Trench Coat, Fedora and White Boot to Buy This Fall – Fashion Steele NYC
Trench Coat - the 'Ultimate' Thread! | Page 81 | The Fedora Lounge