
Tru-X-Factor Carbon SFI 3.3 Fire Resistant Underwear Clothing Set
3.3 SFI Rating, Adult Age Group, Unisex Gender











- 50% carbon fiber Nomex, woven together to offer you the ultimate in protection
- TPP rated 14.5
- SFI rated 3.3
- Nomex socks are made from a comfortable blend
- Nomex socks are designed to cover mid-calf
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Details
Info
Equip yourself from head to toe with this complete fire resistant underwear clothing set from Speedway Motors. Our exclusive racing underwear is a 50% carbon fiber Nomex, woven together to offer you the ultimate in protection. These have TPP ratings of 14.5 which help ensure your safety. Sizes S-XXL. Nomex top and Nomex pants have been lab tested and are rated SFI 3.3.
- 50% carbon fiber Nomex
- TPP rated 14.5
- SFI rated 3.3
- Sizes S-XXL
This underwear runs small. It is recommended you order one size larger than the chart indicates.
Learn more about SFI and TPP Ratings by reading our tech article. What are SFI and TPP Ratings?
Kit Includes:
- (1) Speedway Motors Tru-X-Factor Carbon Underwear Top
- (1) Speedway Motors Tru-X-Factor Carbon Underwear Bottoms
- (1) Speedway Motors Tru-X-Factor Carbon Fiber Nomex Head Sock
- (1) Speedway Motors Nomex Fire Retardant Socks, Pair
Speedway Motors Tru-X-Factor Carbon Underwear Top/Bottoms
- Choose Top or Bottom from Sizes:
- Small
- Medium
- Large
- X-Large
- 2X-Large
Speedway Motors Tru-X-Factor Carbon Fiber Nomex Head Sock
- 50% carbon fiber Nomex
- 14.5 TPP rating
Speedway Motors Nomex Fire Retardant Socks, Pair
These Nomex socks are made from a comfortable blend and are designed to cover mid-calf.
- Nomex fire retardant material
- Not SFI certified
- White in color
- Choose from Sizes:
- Small
- Medium
- Large
- X-Large
- 2X-Large
Sizing Guide
- Small: 6 to 8-1/2
- Medium: 8 to 9-1/2
- Large: 9 to 11
- XL: 10 to 13
- XXL: 13 - up
Charts
Important Messages
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
What's In The Kit
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Speedway Nomex Fire Retardant Socks, White, PairPart # 910709Qty x 1
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Speedway Tru-X-Factor Carbon Fiber Nomex Head Sock, 14.5 TPPPart # 910727Qty x 1
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Speedway Tru-X-Factor Carbon Underwear, SFI 3.3Part # 910726Qty x 1
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Speedway Tru-X-Factor Carbon Underwear, SFI 3.3Part # 910726Qty x 1
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Reviews
Q & A
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EMi Employee Frank and Speedway Motors employee Jeremy demonstrate how to properly measure for a race suit.
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This guide explains what a Snell certification is and the difference between a Snell SA2015 and SA2020 helmet.
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Jason Martin is in the pits at 305 Racesaver Nationals talking to racers about topics they would like more information on. Watch this video to learn how to install a fire suppression system to help keep you safe!