Angler's boot (5)
I believe the answer is:
wader
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">angler's boot</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for wader that I've seen before include "High waterproof boot" , "Bird such as a sandpiper or plover" , "Heron, say" , "crane, perhaps" , "Type of long-legged bird" .)