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FIRSTGEAR Heated Jacket Liner Gen 4 - Small

FIRSTGEAR® Heated Jacket Liners warm you in seconds and are designed to feel as if they're not even there. High tech, moisture wicking fabric with stretch side and back panels, keeps the garment tight against your body for optimal heat transfer, while reducing bulk. Seven heat panels cover the chest, abdomen, arms, collar and entire back, delivering more heat than any other garment. Soft and flexible carbon panels, shaped for maximum heat transfer. All this efficiency means less insulation and power is required to deliver and retain the desired heat.
  • Form-fitting stretch fabric offers compression for optimal heat transfer to your body and action back flex panels for unrestricted movement
  • Lightweight, non-coated shell minimizes bulk and maximizes breathability with a fleece inner collar for moisture-wicking properties
  • Integrated coaxial glove plugs stow in their own zipped pockets when not in use
  • Dual zone heating for use with either a Single or Dual Heat-troller™
  • Designed to be plugged into a DC power source or battery pack
  • Durable, hand washable and extremely lightweight
  • One-year manufacturer's warranty
  • 106-Watt output
  • Windproof

The FIRSTGEAR Gen 4 Heated Jacket Liner delivers fast, efficient warmth for powersports riding and other cold-weather activities. Its form-fitting, moisture-wicking stretch fabric sits close to the body for improved heat transfer while minimizing bulk beneath an outer jacket. Seven flexible carbon heating panels warm the chest, abdomen, arms, collar, and entire back, providing balanced coverage with a 106-watt output. The windproof shell helps retain warmth while maintaining breathability and mobility.


  • Form-fitting stretch fabric provides compression for efficient heat transfer, while action back flex panels support unrestricted movement

  • Lightweight, non-coated shell reduces bulk and promotes breathability

  • Fleece inner collar adds comfort and moisture-wicking performance

  • Integrated coaxial glove plugs store in zippered pockets when not in use

  • Dual-zone heating supports use with either a Single or Dual Heat-Troller™

  • Designed to connect to a DC power source or compatible battery pack

  • Flexible carbon heating panels provide efficient warmth with reduced insulation and power requirements

  • Durable, hand washable, and extremely lightweight

  • Windproof construction helps protect against cold riding conditions

  • Includes a one-year manufacturer's warranty


The FIRSTGEAR Heated Jacket Liner Gen 4 is designed to function as an efficient layer under compatible riding gear without adding unnecessary thickness. Its stretch construction maintains close contact with the body, helping transfer heat where it is needed while the flexible design accommodates active movement. The integrated glove connections offer convenient heated gear expansion, and the dedicated zippered storage pockets keep the plugs secured when they are not being used. This Small-size liner is built for riders who want versatile, low-bulk warmth and dependable performance in changing conditions.

Features:

  • Seven carbon heating panels warm the chest, abdomen, arms, collar, and entire back
  • 106-watt heating output delivers efficient full-body warmth
  • Form-fitting stretch fabric supports optimal heat transfer and unrestricted movement
  • Lightweight, breathable, windproof shell minimizes bulk beneath outerwear
  • Dual-zone heating is compatible with Single or Dual Heat-Troller™ controllers
  • Integrated coaxial glove plugs store in zippered pockets
  • Designed for connection to a DC power source or compatible battery pack
  • Durable and hand washable for convenient maintenance
  • One-year manufacturer's warranty
  • Size: Small