The most common and most likely answer to this crossword clue is the 5 letter word KURTA
K
U
R
T
A
Buddy explains!
The straight part
We know that "Garment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case garment = kurta.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 KURTA mean?
KURTA noun- A traditional article of clothing worn in Afghanistan, Bangladesh, India, Pakistan, and Sri Lanka, consisting of a loose, collarless, long-sleeved, knee-length shirt worn by both men and women.