Crossword Genius

Outfit for the climb? (3-2)

Ross

I believe the answer is:

get-up

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'outfit' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for get-up that I've seen before include "Unusual or elaborate costume" , "Jump out of bed" , "Outfit" , "Style of dress" .)

I've seen this clue in The Globe and Mail.
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