Chọn tất len dày và ấm. Mang dép giữ nhiệt. Mang giày khi đi trong nhà. Thay tất ướt. Làm ấm cơ thể. Đội mũ.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Wear socks that are at least 70% wool – these are the best for keeping your feet warm. Rub your feet together after you put your socks on to stir up some warmth. You can also buy thermal, fur-lined, Alpaca, and sheepskin or shearling socks for extra insulation. Adding slippers over your socks will definitely help keep your feet warm. Indulge in purchasing some wool-lined or fur-lined slippers. These can be both warming and comfortable! Unless you have a no-shoe rule in your house, keep your shoe