Simpson Racing Equipment 20600M CarbonX Long Sleeve Underwear Top Medium SFI 3.3

The Simpson Racing Equipment 20600M CarbonX Long Sleeve Underwear Top provides superior base layer thermal protection for racing drivers. This medium-sized top is constructed from a lightweight, patented blend of high-performance fibers using a double jersey interlock knit design that offers both comfort and durability.

Key Features:

• SFI 3.3 approved with included SFI certification tag
• TPP (Thermal Protective Performance) rating of 13 cal/cm² with zero seconds after flame
• Double jersey interlock knit construction for enhanced comfort and fit
• Lightweight CarbonX fiber blend for optimal mobility
• Long sleeve design for maximum coverage and protection
• Made in the USA

This CarbonX underwear top delivers essential protection as part of a complete fire-resistant racing suit system. The advanced fiber technology provides exceptional thermal protection while remaining breathable and comfortable during extended use. The SFI 3.3 certification ensures compliance with professional racing safety standards.