Zamp SFI 3.3 Underwear Top - Black Size:2X-Large Simpson's DNA products are designed

Simpson's DNA products are designed with athletic performance-enhancing features engineered to reduce weight and driver restrictions

The Zamp ZR-30 Racing Suit delivers a high quality multi-layer suit at an affordable price

Become one step ahead of your competition with today's most advanced racing suit

Advanced multi-density

FIA 8860-2018 without ABP

Zamp SFI 3.3 Underwear Top - Black Size:2X-Large Simpson's DNA products are designedZamp Racings new Underwear Top and Bottom provide an additional safety layer under your race suit. Made using lightweight, breathable materials, our underwear is what we suggest racers wear below their fire suits.