Crossword Genius

I mend split material (5)

Ross

I believe the answer is:

denim

'material' is the definition.
(type of fabric)

'i mend split' is the wordplay.
'split' indicates anagramming the letters (letters split up and reassembled).
'i'+'mend'='imend'
'imend' is an anagram of 'DENIM'.

(Other definitions for denim that I've seen before include "Hard-wearing material seen in jeans" , "Durable material" , "Thick cotton cloth" , "Cloth for jeans, etc" , "maker of jeans" .)

I've seen this clue in The Mirror.
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