F. Engel Long heated pants

Practical base layer long underwear with a heat membrane. With one click, the long underwear warms up in just a few seconds: three heat levels. The underwear is antibacterial, sweat-absorbing, and has excellent insulating properties to keep the body dry. The pants are made from lightweight fabric that takes up little space under work clothing. Although the pants feature a heat membrane, they are machine washable. Power bank not included. We recommend a power bank with 5,000 mAh.