Firstgear Heated Jacket Liner Gen 4 Extra Large — Motorcycle Cold Weather Gear

SKU: FSG527461
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About First Gear First Gear engineers high-quality automotive parts and ...Read More

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Sale price$249.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About First Gear

First Gear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full First Gear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Experience Superior Warmth with Firstgear Gen 4

Don't let freezing temperatures cut your riding season short. The Firstgear Heated Jacket Liner Gen 4 is engineered for motorcyclists who demand performance and comfort in harsh conditions. This liner utilizes advanced heating technology to provide consistent, even warmth across your core, arms, and collar, ensuring you stay focused on the road ahead.

Key Features and Technical Benefits

  • Advanced Heating Elements: Strategically placed panels deliver rapid heat distribution.
  • Form-Fitting Design: Low-profile construction allows for easy layering under your favorite motorcycle jacket without adding unnecessary bulk.
  • Moisture-Wicking Fabric: Keeps you dry and comfortable during long-distance rides.
  • Integrated Heat Control: Compatible with Firstgear heat controllers for precise temperature management.
  • Extra Large Fit: Specifically tailored for a comfortable, non-restrictive fit for XL riders.

Whether you are commuting in the early morning frost or touring through mountain passes, this heated liner is an essential piece of cold-weather gear. The lightweight, breathable material ensures you maintain full range of motion while staying insulated against the wind chill. Its durable construction is built to withstand the rigors of daily use, making it a reliable investment for any serious rider. Upgrade your cold-weather riding experience with premium apparel from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About First Gear

First Gear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full First Gear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Experience Superior Warmth with Firstgear Gen 4

Don't let freezing temperatures cut your riding season short. The Firstgear Heated Jacket Liner Gen 4 is engineered for motorcyclists who demand performance and comfort in harsh conditions. This liner utilizes advanced heating technology to provide consistent, even warmth across your core, arms, and collar, ensuring you stay focused on the road ahead.

Key Features and Technical Benefits

  • Advanced Heating Elements: Strategically placed panels deliver rapid heat distribution.
  • Form-Fitting Design: Low-profile construction allows for easy layering under your favorite motorcycle jacket without adding unnecessary bulk.
  • Moisture-Wicking Fabric: Keeps you dry and comfortable during long-distance rides.
  • Integrated Heat Control: Compatible with Firstgear heat controllers for precise temperature management.
  • Extra Large Fit: Specifically tailored for a comfortable, non-restrictive fit for XL riders.

Whether you are commuting in the early morning frost or touring through mountain passes, this heated liner is an essential piece of cold-weather gear. The lightweight, breathable material ensures you maintain full range of motion while staying insulated against the wind chill. Its durable construction is built to withstand the rigors of daily use, making it a reliable investment for any serious rider. Upgrade your cold-weather riding experience with premium apparel from GGCRACING.

Product Details

Product Description

About First Gear

First Gear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full First Gear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Experience Superior Warmth with Firstgear Gen 4

Don't let freezing temperatures cut your riding season short. The Firstgear Heated Jacket Liner Gen 4 is engineered for motorcyclists who demand performance and comfort in harsh conditions. This liner utilizes advanced heating technology to provide consistent, even warmth across your core, arms, and collar, ensuring you stay focused on the road ahead.

Key Features and Technical Benefits

  • Advanced Heating Elements: Strategically placed panels deliver rapid heat distribution.
  • Form-Fitting Design: Low-profile construction allows for easy layering under your favorite motorcycle jacket without adding unnecessary bulk.
  • Moisture-Wicking Fabric: Keeps you dry and comfortable during long-distance rides.
  • Integrated Heat Control: Compatible with Firstgear heat controllers for precise temperature management.
  • Extra Large Fit: Specifically tailored for a comfortable, non-restrictive fit for XL riders.

Whether you are commuting in the early morning frost or touring through mountain passes, this heated liner is an essential piece of cold-weather gear. The lightweight, breathable material ensures you maintain full range of motion while staying insulated against the wind chill. Its durable construction is built to withstand the rigors of daily use, making it a reliable investment for any serious rider. Upgrade your cold-weather riding experience with premium apparel from GGCRACING.

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