Hit the slopes (3)
I believe the answer is:
ski
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hit the slopes</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 ski that I've seen before include "runner in winter" , "Use runners crossing snow" , "Biathlon runner" , "Winter sport item" , "Snow-runner" .)