Specs100% Polyester wind and water-resistant soft-shell fabric front panel Nylon and spandex rear compression panel for reduced bulk and increased comfort 100% Polyester microfleece fixed liner Thigh to shin flexible carbon fiber heating elements located on front panels Heating elements connected using thermoplastic elastomer (TPE) wire for added safety and efficiency Built-in waterproof 3-setting LED smart soft touch controller located on flip-out tab at waistband Integrated microprocessor and thermal cut-off protect against power surge and overheating of elements 12v DC power / 38.4w power draw / 3.2a current Heat settings: high (126°f/52°c), medium (113°f/45°c), low (100°f/38°c) Integrated and concealed battery harness and insole/sock connectors Includes battery harness and safety fuse, requiring no additional accessories for us Hand washable