Simpson Helix Suit - Black/Gray DX2850K The FR-4 includes a easy

The FR-4 includes a easy to use inner sun shield and a plush removable/washable interior

two-way brass Nomex-backed zipper with a double overlap for a secure front opening

Cuffs are black Nomex ® with a boot cuff leg trimmed in black

The treatment process leaves the exterior surface shiny and supple

Meets FIA compliance for competition eligibility

Simpson Helix Suit - Black/Gray DX2850K The FR-4 includes a easyThe Helix Racing Suit belongs to our DNA strand of high performance racing products. Simpson's DNA products are designed with athletic performance enhancing features engineered to reduce weight and driver restrictions. SFI 3. 2A 5 certified DuPont and Nomex fabric 270 degree arm and back gussets Knee and inner thigh stretch panels Lower back stress relief panel Upper back ventilation port No bulk, weight saving patch pockets and embroidered trim and