The most common and most likely answer to this crossword clue is the 8 letter word CONTOURS
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More clues leading to the result CONTOURS
Buddy explains!

The straight part
We know that "Features" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case features = contours.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 CONTOURS mean?
CONTOURS noun- An outline, boundary or border, usually of curved shape.
- A line on a map or chart delineating those points which have the same altitude or other plotted quantity: a contour line or isopleth.
- A speech sound which behaves as a single segment, but which makes an internal transition from one quality, place, or manner to another.