Simpson SFI 3.3 Carbon-X Socks
Same great and comfortable Carbon-X sock that Simpson has always offered, but now with an SFI 3.3 tag! CarbonX socks are knitted from patented CarbonX yarn and flame-resistant super washed merino wool. CarbonX offers excellent protection with amazing fire resistant characteristics, inherent moisture wicking properties, and comfort. It is inherently flame resistant, will not burn, melt, or ignite when subjected to direct flame. Black only.
- Socks feature reinforced tow and heel and a cushioned insole
- 19" Length