The CarbonX SFI 3.3 Socks are knitted from patented CarbonX yarn and flame-resistant, super-washed merino wool. Reinforced toe and heel, cushioned sole.

More From This Category

Simpson Racing Ghost Bandit Carbon Motorcycle Helmet, Medium - Carbon Fiber

Simpson Racing Ghost Bandit Carbon Motorcycle Helmet, Medium - Carbon Fiber

$1,165.42

Simpson Racing Driving Suits MD50OT2 CUSTOM SIGNATURE KNIT 2 PC SUIT ORANGE SFI 20

Simpson Racing Driving Suits MD50OT2 CUSTOM SIGNATURE KNIT 2 PC SUIT ORANGE SFI 20

$4,023.33

Simpson Endurance Racing Gloves, Double Layer, Nomex, Red, SFI 3.3/5, Medium, Pair

Simpson Endurance Racing Gloves, Double Layer, Nomex, Red, SFI 3.3/5, Medium, Pair

$297.40

Simpson Racing Driving Suits MD40ZSCUSTOM 4 LAYER 1 PC DRAG SUIT GRAY SATEEN NOMEX SFI 15

Simpson Racing Driving Suits MD40ZSCUSTOM 4 LAYER 1 PC DRAG SUIT GRAY SATEEN NOMEX SFI 15

$3,335.41