The most common and most likely answer to this crossword clue is the 8 letter word HIPSTERS
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The straight part
We know that "Low-cut trousers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case low-cut trousers = hipsters.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 HIPSTERS mean?
HIPSTERS noun- A person who is keenly interested in the latest trends or fashions.
- A member of Bohemian counterculture.
- An aficionado of jazz who considers himself or herself to be hip.
- (Prohibition) A person who wears a hip flask (of alcohol).
- (1930s) A dancer, particularly a female one.
- Underwear with an elastic waistband at hip level.
- To behave like a hipster.
- To dress or decorate in a hip fashion.