The most common and most likely answer to this crossword clue is the 10 letter word PARACHUTES
I've seen this crossword clue in The Daily Telegraph
P
A
R
A
C
H
U
T
E
S
Buddy explains!
The straight part
We know that "Light fabric items designed to go over jumpers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case light fabric items designed to go over jumpers = parachutes.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 PARACHUTES mean?
PARACHUTES noun- A device, generally constructed from fabric, that is designed to employ air resistance to control the fall of an object.
- A web or fold of skin extending between the legs of gliding mammals, such as the flying squirrel and colugo.
- (BDSM) A small collar which fastens around the scrotum and from which weights can be hung.
- To jump, fall, descend, etc. using such a device.
- To introduce into a place using such a device.
- To place (somebody) in an organisation in a position of authority without their having previous experience there; used with in or into.