The most common and most likely answer to this crossword clue is the 4 letter word HOSE
I've seen this crossword clue in The Guardian
H
O
S
E
More clues leading to the result HOSE
- Prophet without hint of any foot protection
- Fashion establishment maybe exporting uniform socks?
- Store out of uniform pipe
- Losing heart, one’s ridden the tube
- Picked up gardening tools and sprinkler
- Weed round first of seedlings and water
- Backless shoes bad for socks?
- Wash old socks
- Socks and shoe repaired
- Shoes almost ruined stockings
Buddy explains!

The straight part
We know that "legwear" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case legwear = hose.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 HOSE mean?
HOSE noun- A flexible tube conveying water or other fluid.
- A stocking-like garment worn on the legs; pantyhose, women's tights.
- Close-fitting trousers or breeches, reaching to the knee.
- To water or spray with a hose.
- To deliver using a hose.
- To provide with hose (garment)
- To attack and kill somebody, usually using a firearm.
- To trick or deceive.
- To break a computer so everything needs to be reinstalled; to wipe all files.
- To cause an unfair disadvantage to a player or team through poor officiating; especially, to cause a player or team to lose the game with an incorrect call.