Narrow strip of fabric (6)
I believe the answer is:
ribbon
'narrow strip of fabric' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for ribbon that I've seen before include "Long strip of material" , "Narrow strip of fabric" , "Narrow strip of coloured cloth, worn as ornament" , "Tape - strip" , "Headband" .)