noun
cold-weather gear; heavy outfit for cold protection
Refers to clothing and accessories specifically designed to keep the wearer warm in cold conditions, such as coats, gloves, and thermal wear.
冬山登山には防寒具が欠かせない。
Cold-weather gear is essential for winter mountain climbing.
防寒具をしっかり着込んで外出した。
I bundled up in cold-weather gear and went out.
Compound of 防寒 (ぼうかん, 'protection against cold') + 具 (ぐ, 'tool, equipment').