The most common and most likely answer to this crossword clue is the 8 letter word PLAYSUIT
P
L
A
Y
S
U
I
T
More clues leading to the result PLAYSUIT
Buddy explains!

The straight part
We know that "Outfit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outfit = playsuit.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 PLAYSUIT mean?
PLAYSUIT noun- A one-piece stretch garment worn by very young children.
- A one-piece item of clothing for women.
- A one-piece undergarment for women.