CarbonX® Ultimate™ underwear is made from a double jersey interlock knit fabric composed of a proprietary blend of high performance fibers and possesses outstanding thermal protection properties. It is inherently flame resistant, does not burn, melt or ignite when subjected to a direct flame. Nomex® or CarbonX® underwear under a race suit will dramatically improve Thermal Protection Performance (TPP) in the event of a fire accident.
SFI 3.3 approved, includes SFI label Designed to offer the ultimate in base layer thermal protection TPP of 13 cal/cm2 and zero seconds after the flame Lightweight, proprietary blend of high-performance fibers Double jersey interlock knit Short or long sleeve crew neck Made in the USA