Crossword Genius

Modern ladies wear bustles? Just the opposite (6)

Ross

I believe the answer is:

slacks

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

'modern ladies wear' is the definition.
'slacks' can be an answer for 'wear' (slacks is a kind of wear). I'm not sure about the 'modern ladies' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for slacks that I've seen before include "Avoids work - trousers" , "casual attire" , "takes it easy" , "Loose casual trousers" , "Pants for casual wear" .)

I've seen this clue in the Sydney Morning Herald.
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