Warm & Safe Generation 3 Men's Heated LinerProduct Description:90 Watts of Heat using our NEW Alloy Heating Method Anti-bacterial Stretch Panels to keep heat against the body Breathable Shells with Wind Stop and Moisture Block Pocket Designed for Remote Heat-troller Single or Dual Controller FunctionalityTall Size is 2 inches (50mm) Longer Body, 1.5 inch (35mm) Longer SleevesAll Our Heated Gear should be used with an optional Heat-troller\xBB Warm & Safe Generation 3 Men's Heated Jacket Liner