1.
balaclava; ski mask
A knitted head covering that exposes only the eyes (and sometimes the mouth), worn for warmth in cold weather or to conceal one's identity. The name literally means 'eye-exposing hat.'
The name comes from 目 (eyes) + 出し (exposing) + 帽 (hat) — a hat that leaves only the eyes exposed. In news reports, 目出し帽 is commonly associated with criminals trying to hide their identity, but in everyday life it is standard cold-weather gear for skiing, mountaineering, and working in extreme cold.
Also called バラクラバ (from English "balaclava").