Spacesuit feature - superclean tight trousers (4-1)

I believe the answer is:

anti-g

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'spacesuit feature' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'superclean tight trousers' is the wordplay.
'trousers' indicates the answer is hidden within the clue (trouser can mean to steal or take).
'ANTI-G' is hidden within 'superclean tight'.

Can you help me to learn more?

(Another definition for anti-g that I've seen is " Designed to reduce effects of high acceleration".)

I've seen this clue in The Independent.

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