Turn back women wearing jeans (6)
I believe the answer is:
swivel
'turn' is the definition.
(swiveling is a kind of turning)
'back women wearing jeans' is the wordplay.
'back' says the letters should be written backwards.
'women' becomes 'w' (standard abbreviation).
'wearing' is an insertion indicator.
'jeans' becomes 'levis' (Levi's is a brand of jeans).
'w' put within 'levis' is 'leviws'.
'leviws' written backwards gives 'SWIVEL'.
(Other definitions for swivel that I've seen before include "Turn on a chair, say" , "swinging" , "Spin on the spot" , "Rotating coupling" , "Turn about a point" .)