The most common and most likely answer to this crossword clue is the 11 letter word BACKPACKERS
I've seen this crossword clue in The Daily Telegraph
B
A
C
K
P
A
C
K
E
R
S
More clues leading to the result BACKPACKERS
Buddy explains!
The straight part
We know that "walkers with their kit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case walkers with their kit = backpackers.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 BACKPACKERS mean?
BACKPACKERS noun- A traveler whose luggage consists of a backpack; especially, such a traveler who uses hostels, public transport, and other inexpensive services.
- A hostel catering to backpackers.