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

Features:

  • 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
  • SFI 3.3 approved, includes SFI tag
  • Designed to deliver the ultimate in base layer thermal protection

More From This Category

Simpson CarbonX Head Sock, Black, One Layer, Dual Eyehole Opening, Each

Simpson CarbonX Head Sock, Black, One Layer, Dual Eyehole Opening, Each

$153.98

Simpson Nomex Underwear, Pants, Full Length, Nomex, Large, White, Each

Simpson Nomex Underwear, Pants, Full Length, Nomex, Large, White, Each

$215.59

Simpson Nomex Underwear, Pants, Full Length, Nomex, Small, White, Each

Simpson Nomex Underwear, Pants, Full Length, Nomex, Small, White, Each

$215.59

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