Creep about in soft rubber (5)

I believe the answer is:

crepe

I'm a little stuck... Click here to teach me more about this clue!

'soft rubber' is the definition.
'crepe' can be an answer for 'rubber' (a type of rubber material). I am not certain of the 'soft' bit.

'creep about' is the wordplay.
'about' is an anagram indicator.
'creep' anagrammed gives 'CREPE'.

'in' is the link.

Can you help me to learn more?

(Other definitions for crepe that I've seen before include "Crinkled paper or fabric" , "Light fabric; pancake" , "Crinkly paper" , "Thin twenty four Ac" , "Crinkly fabric and French pancake" .)

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

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