Wearers of baggy trousers (5)

I believe the answer is:

users

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'wearers' is the definition.
The answer and definition can be both people as well as being plural nouns.
Perhaps there's an association between them I don't understand?

'baggy trousers' is the wordplay.
'USERS' is hidden within the letters.
However, I am unsure how the hidden word is indicated.

'of' acts as a link.

Can you help me to learn more?

(Other definitions for users that I've seen before include "People who take drugs" , "subscribers" , "Drug addicts" , "Drug takers" , "Utilisers" .)

I've seen this clue in the Evening Standard.

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