Simpson Carbon-X Fire Resistant Racing Underpants - SFI 3.3 fr-s brake pads The ovalized 34x26mm rim shape

The ovalized 34x26mm rim shape offers excellent ergonomics and steering feel

Constructed from premium leather with technical reinforcements at the toe and heel

6-point base attaches to most steering wheel adapter hubs

The re-envisioned Alpinestars KMX-9 v2 Karting suit brings an aggressive new design that is offered in 7 vibrant colorways

dual-prong interface

Simpson Carbon-X Fire Resistant Racing Underpants - SFI 3.3 fr-s brake pads The ovalized 34x26mm rim shapeWearing fire retardant underwear under your SFI rated suit increases the protection against fire. CarbonX offers excellent protection with amazing fire resistant characteristics, inherent moisture wicking properties, and comfort. It is inherently flame resistant, will not burn, melt, or ignite when subjected to direct flame. Black only.