The most common and most likely answer to this crossword clue is the 4 letter word FUJI
F
U
J
I
More clues leading to the result FUJI
- Mountain in Japan, utterly fabulous, initially, to climb
- Initially fed up, joins in finding Japanese volcano
- Peaks in fact undeniably Japanese icons — one of those?
- Apple mountain
- Volcano initially falling under Jovian influence
- High spot for tourists in Japan?
- Peak of Kung-Fu, Jiu-Jitsu
- Mount, in the beginning, for unique Japanese image
- Just starting, find useful Japanese index showing mountain name
Buddy explains!

The straight part
We know that "one of those?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one of those? = fuji.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 FUJI mean?
FUJI noun- A plain spun silk fabric.
- A Nigerian musical genre.