Japanese intelligent constant temperature winter warm pants cotton pants are slim and warm. The brand is PTI intelligent heating pants, and the fabric is mainly composed of 95% cotton and 5% spandex. This kind of electric hot pants heats up quickly and can be turned on with one button. Press the switch for 2-3 seconds for quick heating, and press the button for short time to adjust the three-speed constant temperature at will. The far infrared heat of carbon fiber is evenly dispersed to the human body, and it is heated to keep warm and drive away the cold. The design of these electric hot pants is also very intimate, and they can be washed by machine. Before washing, you can unplug the power supply, put the connecting wire in your pocket and zip it up.