Fashion range with dark clothes (9)

I believe the answer is:

nightwear

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'dark clothes' is the definition.
'nightwear' can be an answer for 'clothes' (nightwear is a kind of clothes). I'm not certain of the 'dark' bit.

'fashion range with' is the wordplay.
'fashion' is an anagram indicator.
'range'+'with'='rangewith'
'rangewith' with letters rearranged gives 'NIGHTWEAR'.

Can you help me to learn more?

(Other definitions for nightwear that I've seen before include "habit of one retiring" , "Pyjamas e.g." , "negligee, perhaps" , "What's on after the watershed" , "Certain garments" .)

I've seen this clue in The Times.

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