Description
Fire-resistant base layers are non-negotiable safety equipment for any serious racer or track driver. The Simpson Carbon X Underwear Bottom provides SFI 3.3 certification and reliable thermal protection during high-intensity driving, keeping you focused on performance instead of safety concerns. Built from soft-knit CarbonX fabric, these bottoms deliver comfort and durability for repeated wear both on and off the track.
- SFI 3.3 certified
- CarbonX fire-resistant fabric
- Soft-knit construction
- Medium sizing
- Black colorway
- Sold individually
- Moisture-wicking properties
- Track-ready protection






Reviews
There are no reviews yet.