Because its their uniform
Night's Black Agents was created in 1947.
Black!
Night's Black Agents has 237 pages.
Black
women usually wear black to cover themselves and its called 'abaya'. its not necessary to be black it could be any color but the most common one is black.
they usually just wear black or blue
Villains wear black but sometimes they wear different colours so they are not identified, but thats only when they are out. But most of the time they all wear black or dark colours. that is my answer to you all !
suits
Very rarely due to strict physical requirements for agents
FBI Agents wear professional business attire. Men generally wear a dress shoe and women wear acceptable business shoes, high heels should be avoided. This applies to field agents and administrative personnel. Agents training in physical fitness and self defense wear appropriate athletic shoes. Agents assigned to specialty assignments wear tactical footwear.
no
they tend to wear stripey tops and black skinnies, or shorts... but most of the time the clothes we wear :))