Uniform fabric (5)
I believe the answer is:
khaki
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">uniform fabric</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for khaki that I've seen before include "Drab military colour" , "military material" , "Dull brownish" , "Dull yellowish-brown" , "Military uniform cloth - colour" .)