Simpson Racing

Simpson Racing CarbonX® Ultimate™ Underwear Long Sleeve Top

XXX-Large - Black

Part # 20600Y Be the first to write a review

Simpson Racing CarbonX® Ultimate™ Underwear Long Sleeve Top

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MSRP $196.00
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CarbonXUltimate underwear is made from double jersey interlock knit comprised of a patented blend of high-performance fibers and has extraordinary thermal protective properties. It is inherently flame resistant, will not burn, melt, or ignite when subjected to direct flame. Nomexor CarbonXUnderwear underneath a racing suit will dramatically improve Thermal Protection Performance (TPP) in the case of an accident involving fire.


  • Lightweight, patented blend of high-performance fibers
  • Double jersey interlock knit
  • Made in the USA
  • SFI 3.3 approved, includes SFI tag
  • Designed to deliver the ultimate in base layer thermal protection
  • TPP rating of 13 cal/cm2 and zero seconds after flame

About Simpson Racing

Racing and riding is more than what you do, it's a part of who you are. We get it, because it's who we are too. Since 1959, racers and motorcycle riders have trusted Simpson Racing products to provide an unparalleled level of comfort, performance, and protection.

Brand Simpson Racing
Certification RatingSFI 3.3 Rated
Emission Code6
Product TypeFire Retardent Underwear Shirts
QuantitySold individually
Manufacturer Part Number20600Y
Part Number20600Y

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