The heating pants are designed with graphene heating sheet, which has better warmth retention. The 4-piece heating pad design not only enhances the heating function, but also allows the thermal pants to quickly heat up in seconds. The heating pant is made from a blend of spandex and cotton with tight stitching for a comfortable and soft feel. Not only winter warm pants, but also trendy looking pants. Also, the cold pants are hand or machine washable. Universal USB charging, these thermal trousers come with a USB plug. 5v safe voltage, compatible with most power banks on the market. 3-level temperature setting control, you can adjust the temperature of the hiking pants according to your needs. The temperature of the pant can be adjusted to high, medium and low settings at the touch of a button. It is very simple and convenient to use! Electric heating pants can not only keep the body warm, but also promote blood circulation, enhance metabolism, reduce muscle stiffness, etc. Mountaineering pants pair with stylish jackets, sweaters, sweatshirts or heated vests. Suitable for outdoor activities, hunting, skiing, fishing, mountain climbing, daily office, etc.