Cryptic crossword clue
Those eating alfresco favour short topless garments

The most common and most likely answer to this crossword clue is the 12 plus 10 letter word PICKNICKERS  PICNICKERS

I've seen this crossword clue in Independent
P
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P
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Buddy explains!

The straight part
We know that "Those eating alfresco" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case those eating alfresco = picknickers  picnickers.
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.

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