Mohair (6)
I believe the answer is:
angora
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mohair</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for angora that I've seen before include "Fabric made from goat-hair from Aragon" , "Yarn made from hair of goats or rabbits" , "Fine wool from goat" , "Yarn or fabric made from goat hair" , "Cloth from the soft hair of a goat" .)