The most common and most likely answer to this crossword clue is the 4 letter word SKIS
S
K
I
S
More clues leading to the result SKIS
- Son heads for Klosters in Switzerland and ...?
- Runners embrace when the last one advances
- Runners touch lightly, second moving to front
- Hides, avoiding National’s runners
- More than one runner misses out, lacking power
- Runners worn out in wintery conditions?
- Downhill runners?
- Runners starting to sprain knees in stilettos
- Smooch while cycling in winter gear
- Runners kiss sloppily
Buddy explains!

The straight part
We know that "..." is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ... = skis.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 SKIS mean?
SKIS noun- One of a pair of long flat runners designed for gliding over snow or water
- One of a pair of long flat runners under some flying machines, used for landing
- To move on skis
- To travel over (a slope etc.) on skis; to travel on skis at (a place), (especially as a sport)