Sailor's jacket (6)
I believe the answer is:
reefer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sailor's jacket</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for reefer that I've seen before include "drug-filled cigarette" , "Hand-rolled cigarette" , "habit?" , "Jack < 's joint" , "pot holder?" .)