Can underwear with variable temperature bottom be worn?

You can wear underwear with a variable temperature bottom. Temperature-changing underwear is a new type of thermal underwear, which adopts advanced temperature-changing materials and can automatically adjust the somatosensory temperature according to the environmental temperature, so it is both warm and breathable. Therefore, it can be worn in cold weather. However, it should be noted that temperature-changing underwear is only a kind of clothing to help keep warm, and it cannot completely replace other cold-proof measures. In extreme cold or long-term outdoor activities, it needs to be used in conjunction with other warm-keeping equipment to ensure that the body is fully protected.