Individual with most original of tops, a vest (7)

I believe the answer is:

singlet

I'm a little stuck... Click here to teach me more about this clue!

'a vest' is the definition.
('singlet' can be a synonym of 'vest')

I don't understand how the rest of the clue works.

(Other definitions for singlet that I've seen before include "Sleeveless shirt" , "Underwear" , "Sleeveless garment" , "Sleeveless vest" , "Tingles in vest" .)

I've seen this clue in The Telegraph.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.