Simpson CarbonX Ultimate Underwear
The Simpson CarbonX® Ultimate Underwear is a high-performance, fire-resistant base layer designed to provide maximum thermal protection for racers. Made in the USA from a patented blend of fibers, this double jersey interlock knit underwear is lightweight, inherently flame resistant, and dramatically improves Thermal Protection Performance (TPP) when worn under a racing suit.
Features
- SFI 3.3 approved with included SFI tag for verified safety
- TPP rating of 13 cal/cm² with zero seconds after flame exposure
- Inherently flame resistant — will not burn, melt, or ignite
- Lightweight double jersey interlock knit for comfort and mobility
- Made in the USA from a patented blend of high-performance fibers
Specs
- Brand: Simpson Racing
- Certification Rating: SFI 3.3 Rated
- Color: Black
- Emission Code: 6
- Part Type: Racing Underwear
- Product Type: Undergarments / Fire Retardant Underwear Shirts
- Quantity: Sold individually
- Sleeve Length: Long, Short
- Size Options: Small, Medium, Large, X-Large, 2X-Large, 3X-Large
- Dimensions
- Small to XL/XXL:
- Weight: 4 lbs
- Length: 11 in
- Width: 9 in
- Height: 5 in
- 3X-Large:
- Weight: 3 lbs
- Length: 13 in
- Width: 13 in
- Height: 5 in
