1, Yu: Yu's thermal underwear is deeply loved by consumers because of its high quality and good thermal performance.

2. Hengyuanxiang: an old brand, its thermal underwear is deeply loved by consumers because of its high quality and good thermal performance.

3. Antarctic people: Antarctic people are a brand focusing on thermal underwear, and their products are famous for their comfort and warmth.

4. Bosideng: Bosideng's down jackets and cotton-padded clothes have excellent thermal insulation performance, and their warm cotton trousers are also recommended products.

5. Arctic velvet: Arctic velvet thermal underwear is favored by consumers for its high quality and good thermal performance.