Simpson CarbonX Underwear BottomSIM20601S (1 in stock)
Simpson CarbonX Ultimate Underwear is made from double jersey interlock knit comprised of a patented blend of high-performance fibers. It is inherently flame resistant. It will not burn, melt, or ignite when subjected to direct flame.
- 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
- Color: Black