Clothing in refuse container mostly rubbish (3,5)

I believe the answer is:

ski pants

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'clothing in refuse container mostly rubbish' is the definition.
I can't judge whether this defines the answer.

'refuse container mostly rubbish' is the wordplay.
'refuse container' becomes 'skip' (I've seen this before).
'mostly' means to remove the last letter.
'rubbish' becomes 'pants' (informal term meaning poor-quality).
'skip' with its last letter taken off is 'ski'.
'ski'+'pants'='SKI PANTS'

Can you help me to learn more?

(Other definitions for ski pants that I've seen before include "Winter sports wear" , "Trousers" , "Garments" , "Gear employed descending mountain" .)

I've seen this clue in The Sunday Times and The Times.

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