Loose flowing garments (5)
I believe the answer is:
robes
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loose flowing garments</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 robes that I've seen before include "Sober (anag)" , "Attire" , "trappings of office?" , "'The 19 across 1 across' of the French Revolution" , "Official vestments" .)