Mexican cloak (6)
I believe the answer is:
poncho
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mexican cloak</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for poncho that I've seen before include "Overgarment with hole for head" , "South American garment" , "Simple garment" , "Blanket-like cloth with centre slit, worn as cloak" , "Latin American cloak" .)