The most common and most likely answer to this crossword clue is the 8 letter word PASHMINA
I've seen this crossword clue in The Daily Telegraph
P
A
S
H
M
I
N
A
More clues leading to the result PASHMINA
Buddy explains!

The straight part
We know that "shawl" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shawl = pashmina.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 PASHMINA mean?
PASHMINA noun- A Cashmere; a goat native to Kashmir.
- Cashmere: the fine wool that grows under the hair of this goat.
- Cashmere: a soft fabric made from this wool.