Crisp smooth lustrous fabric (7)
I believe the answer is:
taffeta
'crisp smooth lustrous fabric' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for taffeta that I've seen before include "Fine crisp lustrous fabric" , "Fabric -- a fat eft (anag)" , "Stiff shiny material" , "stuff made for dressing" , "fine material for dressing" .)