ActiVHeat 12V Far infra-red Heated Sock Liners w/ 3 level Controller - All sizes (Large) ActiVHeat MOTO12 heated socks use our reknowned far infra-red carbon fiber heating bundle technology providing 18 watts of heat right where you need it! Dual Zone - heats above AND below the front region of each foot. Made from a spandex microfleece blend designed for the Powersports enthusiast. Includes; One (1) 3 Level Heat Controller (waterproof), (1) Splitter Y-Cable ( 57"in), One (1) leg wrap and patch, (1) pair of sock liners MPORTANT: Check Sizing chart available in last photo before ordering.THESE LINERS ARE NOT FOR PORTABLE USE. MUST CONNECT TO POWERSPORT VEHICLE, 12V BATTERY, or Heated Pant Liners