Small close-fitting hat or cap (6)
I believe the answer is:
beanie
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">small close-fitting hat</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">cap</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that beanie is a type of cap)</span><br/ ><br/ ></span>
(Other definitions for beanie that I've seen before include "Topping" , "cap" , "one on the head" , "Small close-fitting hat" .)