K1 RaceGear Precision Nomex Underpants SFI 3.3 — Black 5X-Small

SKU: HMZM_26-PRP-N-5XS
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About K1 RaceGear K1 RaceGear engineers high-quality automotive parts and ...Read More

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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 K1 RaceGear

K1 RaceGear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full K1 RaceGear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional Safety for Smaller Frames

Finding the right fit in racing safety gear is crucial for both comfort and protection. The K1 RaceGear Precision Nomex Underpants in 5X-Small provide a perfect, tailored fit for smaller drivers, ensuring that your fire-retardant base layer stays in place during high-speed maneuvers. These underpants are SFI 3.3 certified, meeting the rigorous requirements for competitive motorsports while utilizing advanced soft-knit Nomex technology.

Key Benefits

  • SFI 3.3 Certified: Meets industry-leading safety standards for fire protection.
  • Advanced Nomex Fabric: Superior heat and flame resistance for maximum safety.
  • Soft-Knit Comfort: Lightweight and breathable, reducing fatigue during long races.
  • 5X-Small Tailoring: Designed for an exact fit to prevent bunching and discomfort.
  • Reliable Performance: Engineered for durability and consistent protection in the cockpit.

These underpants are an essential component of your fire-retardant kit. The soft-knit material is designed to sit comfortably against the skin, wicking away moisture and helping to regulate your temperature under the pressure of a race. Because they are designed specifically for a 5X-Small frame, you can be confident that your gear will not interfere with your ability to operate the vehicle. At GGCRACING, we are dedicated to providing safety solutions for every driver, regardless of size. Equip yourself with the best in Nomex technology and hit the track with confidence.

Product Details

Product Description
Part Numbers
Sizing & Fit

About K1 RaceGear

K1 RaceGear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full K1 RaceGear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional Safety for Smaller Frames

Finding the right fit in racing safety gear is crucial for both comfort and protection. The K1 RaceGear Precision Nomex Underpants in 5X-Small provide a perfect, tailored fit for smaller drivers, ensuring that your fire-retardant base layer stays in place during high-speed maneuvers. These underpants are SFI 3.3 certified, meeting the rigorous requirements for competitive motorsports while utilizing advanced soft-knit Nomex technology.

Key Benefits

  • SFI 3.3 Certified: Meets industry-leading safety standards for fire protection.
  • Advanced Nomex Fabric: Superior heat and flame resistance for maximum safety.
  • Soft-Knit Comfort: Lightweight and breathable, reducing fatigue during long races.
  • 5X-Small Tailoring: Designed for an exact fit to prevent bunching and discomfort.
  • Reliable Performance: Engineered for durability and consistent protection in the cockpit.

These underpants are an essential component of your fire-retardant kit. The soft-knit material is designed to sit comfortably against the skin, wicking away moisture and helping to regulate your temperature under the pressure of a race. Because they are designed specifically for a 5X-Small frame, you can be confident that your gear will not interfere with your ability to operate the vehicle. At GGCRACING, we are dedicated to providing safety solutions for every driver, regardless of size. Equip yourself with the best in Nomex technology and hit the track with confidence.

Product Details

Product Description

About K1 RaceGear

K1 RaceGear engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full K1 RaceGear lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Professional Safety for Smaller Frames

Finding the right fit in racing safety gear is crucial for both comfort and protection. The K1 RaceGear Precision Nomex Underpants in 5X-Small provide a perfect, tailored fit for smaller drivers, ensuring that your fire-retardant base layer stays in place during high-speed maneuvers. These underpants are SFI 3.3 certified, meeting the rigorous requirements for competitive motorsports while utilizing advanced soft-knit Nomex technology.

Key Benefits

  • SFI 3.3 Certified: Meets industry-leading safety standards for fire protection.
  • Advanced Nomex Fabric: Superior heat and flame resistance for maximum safety.
  • Soft-Knit Comfort: Lightweight and breathable, reducing fatigue during long races.
  • 5X-Small Tailoring: Designed for an exact fit to prevent bunching and discomfort.
  • Reliable Performance: Engineered for durability and consistent protection in the cockpit.

These underpants are an essential component of your fire-retardant kit. The soft-knit material is designed to sit comfortably against the skin, wicking away moisture and helping to regulate your temperature under the pressure of a race. Because they are designed specifically for a 5X-Small frame, you can be confident that your gear will not interfere with your ability to operate the vehicle. At GGCRACING, we are dedicated to providing safety solutions for every driver, regardless of size. Equip yourself with the best in Nomex technology and hit the track with confidence.

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