Simpson Helix Suit - Black/Gray Size:2X-Large The K1 Challenger SFI 3

The K1 Challenger SFI 3

The Zamp RZ-37Y Youth Graphic SFI 24

the K1 FLEX Tech Layers are quickly becoming the top choice of racing underwear throughout all forms of racing

the fire rating cannot be “washed out”

4 the most comfortable Racer suit we have ever offered

Simpson Helix Suit - Black/Gray Size:2X-Large The K1 Challenger SFI 3The 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