Shoes without heels (5)
I believe the answer is:
flats
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">shoes without heels</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 flats that I've seen before include "Punctures" , "As opposed to sharps?" , "Apartments" .)