Dust-coloured; military uniform (5)
I believe the answer is:
khaki
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">dust-coloured</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">military uniform</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for khaki that I've seen before include "Military uniform's cloth" , "Yellowish brown colour" , "Military clothes" , "Dust-coloured" , "Army fabric" .)