The most common and most likely answer to this crossword clue is the 5 letter word TREWS
I've seen this crossword clue in The Guardian
T
R
E
W
S
More clues leading to the result TREWS
- Disperse head-to-foot clothing for the clans
- Pants and straightens up, you might say
- Head-to-toe cover for garment?
- Wife dressed in very continental clothes
- Checked garments for Scottish soldiers
- Tailor’s initial trick, we hear, making trousers
- After losing head, scatters item of clothing
- Garment very French worn by women
Buddy explains!

The straight part
We know that "Pants" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pants = trews.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 TREWS mean?
TREWS noun- Trousers, especially if close fitting and tartan.