CarbonX Ultimate 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. Nomex or CarbonX Underwear underneath a racing suit will dramatically improve Thermal Protection Performance (TPP) in the case of an accident involving fire.

Features:

  • 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
  • Lightweight, patented blend of high-performance fibers
  • Double jersey interlock knit
  • Made in the USA

More From This Category

Simpson CarbonX Underwear Shirts 20600L Underwear, Shirt, Long Sleeve, CarbonX, Black, Men's Large, Each

Simpson CarbonX Underwear Shirts 20600L Underwear, Shirt, Long Sleeve, CarbonX, Black, Men's Large, Each

$336.44

Simpson CarbonX Ultimate Underwear Bottoms Small

Simpson CarbonX Ultimate Underwear Bottoms Small

$254.63

Simpson Racing Pro-Fit Base Layer, Long Sleeve, 3X-Large, Black

Simpson Racing Pro-Fit Base Layer, Long Sleeve, 3X-Large, Black

$234.18

Simpson Racing Nomex Underwear Socks One Size Fits All, SFI 3.3

Simpson Racing Nomex Underwear Socks One Size Fits All, SFI 3.3

$83.97