If anything is likely to ruin your ride its your legs being cold. The Hotwired Heated pants protect your thighs and shins from the elements while providing three levels of temperature control. Carbon fiber heating elements are woven into 2 heat zones on each leg to warm you up. The Hotwired Pant Liner allows you to change your heat settings on the fly with an integrated smart soft touch controller built into the vest. Simply hook up the included battery harness to the bike and your pants and enjoy the warmth.; Nylon outer shell Lightweight Integrated smart soft touch temperature controller 3 Temperature settings 2 Heat zones Carbon fiber heating elements Automatic temperature shut off Includes battery harness and fuse