No silk is used in these waterproof garments (8)

I believe the answer is:

oilskins

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'garments' is the definition.
(oilskin is a kind of garment)

'no silk is used' is the wordplay.
'used' is an anagram indicator.
'no'+'silk'+'is'='nosilkis'
'nosilkis' with letters rearranged gives 'OILSKINS'.

'in these waterproof' acts as a link.
This may not be right. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Another definition for oilskins that I've seen is " protective clothing".)

I've seen this clue in The Globe and Mail and the Sydney Morning Herald.

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