12v Heated Layer Shirt features our high tech, moisture wicking stretch fabric to optimize heat transfer. This shirt is durable and extremely lightweight. We use 7 heat panels. The heat is focused on the chest, arms, neck, upper back and lower back. Each zone is adjusted to fit the rider’s body. Our heat panels have soft and flexible alloy/silicon shape for maximum heat transfer.Form-fitting stretch fabricMoisture-wicking properties and anti-bacterial treatmentIntegrated glove plugs stow in their own zipped pockets when not in useCan be used with either a Single or Dual Heat-troller