Gerbing 12V Heated Jacket Liner Mens Side Laced Vests Aero-Tuned Ventilation: Six intake ports

Aero-Tuned Ventilation: Six intake ports across the front of helmet force cool air in while ten exhaust vents maximize movement of hot air out

Back Length: From the base of the neck to the bottom hem

Action back

A helmet should fit snug on your head

Gerbing 12V Heated Jacket Liner Mens Side Laced Vests Aero-Tuned Ventilation: Six intake portsDescription Our 12V heated jacket liner is the perfect addition for any rider wanting complete comfort, regardless of the temperature. Built on a durable, wind resistant nylon chassis, this liner comes with 7 Microwire powered heat zones; collar (1), chest (2), sleeves (2), and back (2). It is designed to be worn close to the body, under your outer jacket and over a thin polyester base layer. This configuration will provide the fastest and warmest