CarbonX ® Ultimate™ underwear is made from a double jersey interlock fabric comprised of a proprietary blend of high performance fibers and has outstanding thermal protection properties. It is inherently flame resistant, it will not burn, melt or ignite when subjected to direct flame. Nomex ® or CarbonX ® underwear under a race suit will dramatically improve Thermal Protective Performance (TPP) in the event of an accident involving fire.
SFI 3.3 approved, includes SFI label Designed to offer the ultimate in base layer thermal protection. TPP rating of 13 cal/cm2 and zero seconds after flame Lightweight, proprietary blend of high-performance fibers Double knit interlock stitch Long or short sleeve crew neck t-shirt available Made in EE.UU.