Description
When you’re strapped into the cockpit, your focus needs to be on the track—not on inadequate fire protection. The Simpson Carbon X Underwear Bottom delivers SFI 3.3-rated thermal protection with soft-knit comfort, so you can concentrate on your performance without compromise. Built from proven CarbonX material, this base layer meets sanctioning body requirements while maintaining the mobility you need for precision control.
- SFI 3.3 certified
- CarbonX fabric construction
- Soft-knit comfort
- Black colorway
- X-Large sizing
- Sold individually
- Fire-resistant thermal protection
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