The most common and most likely answer to this crossword clue is the 9 letter word STOCKINET
I've seen this crossword clue in The Times
S
T
O
C
K
I
N
E
T
More clues leading to the result STOCKINET
Buddy explains!
The straight part
We know that "hosiery material" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case hosiery material = stockinet.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does STOCKINET mean?
STOCKINET noun- An elastic textile fabric imitating knitting, of which stockings, undergarments, etc., are made.