Simpson CarbonX Underwear Bottom

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

Simpson Apparel Size Chart

Available Sizes: