Gumboots (11)
I believe the answer is:
wellingtons
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gumboots</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 wellingtons that I've seen before include "Waterproof boots" , "Gum boots" , "Gumboots" .)