Returned to show off clothes (4)
I believe the answer is:
garb
'clothes' is the definition.
(garb is a kind of clothes)
'returned to show off' is the wordplay.
'returned' says the letters should be written in reverse.
'to show off' becomes 'brag' (I've seen this before).
'brag' in reverse letter order is 'GARB'.
(Other definitions for garb that I've seen before include "Fashion of dress" , "Dress - clothing" , "costume" , "gear discovered" , "Distinctive dress of a group" .)