Crossword Genius

Takes one's leisure garments (6)

Ross

I believe the answer is:

slacks

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This might be a double definition.

'takes one's' is the first definition.
The answer and definition can be both to do with social activities as well as being verbs in their -s form.
Perhaps there's a link between them I don't understand?

'leisure garments' is the second definition.
Although both the answer and definition are verbs in their -s form, I cannot understand how they can define each other.

Can you help me to learn more?

(Other definitions for slacks that I've seen before include "casual attire" , "bags" , "Pants for casual wear" , "Things to wear" , "Loose casual trousers" .)

I've seen this clue in the Evening Standard.
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