Description
The Simpson Racing CarbonX® Ultimate™ Long Sleeve Underwear in Medium is engineered to provide premium thermal protection, comfort, and performance for motorsport drivers. Constructed from a patented double jersey interlock knit blend of high-performance fibers, this advanced base layer delivers exceptional fire-resistant properties while remaining lightweight and breathable.
CarbonX® material is inherently flame resistant and will not burn, melt, or ignite when exposed to direct flame. Designed for use under racing suits, it significantly enhances Thermal Protection Performance (TPP) in the event of a fire-related incident.
With a TPP rating of 13 cal/cm² and zero seconds after flame performance, this long sleeve base layer offers professional-grade protection trusted in competitive motorsport environments. The flexible knit construction allows for unrestricted movement and long-wear comfort during extended race sessions.
SFI 3.3 approved and made in the USA, the CarbonX® Ultimate™ Long Sleeve Underwear represents top-tier safety apparel for serious racers.
Key Features:
SFI 3.3 approved with SFI tag included
CarbonX® inherently flame-resistant material
Long sleeve design for full upper body protection
TPP rating of 13 cal/cm²
Zero seconds after flame performance
Lightweight double jersey interlock knit
Patented high-performance fiber blend
Made in the USA
Size: Medium
Specifications:
Brand: Simpson Racing
Product Line: CarbonX® Ultimate™ Underwear
Product Type: Long Sleeve Top
Size: Medium
Material: CarbonX® high-performance fiber blend
Certification: SFI 3.3 approved
TPP Rating: 13 cal/cm²
Construction: Double jersey interlock knit
Application: Motorsport, racing, fire-retardant base layer
