protection against the cold; clothing or measures taken to keep warm.
冬は防寒対策をしっかりして出かけてください。
Make sure you take proper measures against the cold when you go out in winter.
防寒着を重ね着して山に登った。
I layered cold-weather clothing and climbed the mountain.
窓のすき間を埋めて防寒効果を高めた。
I sealed the gaps in the windows to improve insulation against the cold.
防寒用の手袋は薄手でも暖かい素材のものが便利だ。
Cold-resistant gloves made from warm materials are convenient even if they're thin.