Worsted fabric (5)
I believe the answer is:
serge
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">worsted fabric</span>' is the definition.<br/ ><span class="explanation-format__explanation">(worsted is a style of fabric)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for serge that I've seen before include "Material to suit" , "Durable fabric" , "Twilled woollen fabric" , "Stuff" , "A twill fabric" .)