Impact's HS-1 is a top-of-the-line performance seat purposely engineered to withstand torsional stress and abuses common to off-road competition. Constructed from 100% epoxy-reinforced carbon fiber, the Impact HS-1 features and embedded single-piece laser cut and drilled mounting bracket providing continuously connected support, strength, and rigidity. Precision alignment of the restraint, and mounting openings is achieved through 5-axis CNC trimming. This extraordinary level of craftsmanship ensures uniformity throughout the seat resulting in the repeatable accuracy chassis builders and prep crews value. The HS-1's lightweight ergonomic design is a product of CAD engineering coupled with real world input from renowned chassis builders and racers. Finished with fire-retardant, high-resiliency foam for superior energy attenuation, the Impact HS-1 offers improved comfort and support over competitive seats on the market Upholstered with a non-slip and heavy-duty 300,000 double-rub abrasion and fire-resistant fabric specially engineered to endure the extreme abuses of Baja, the HS-1 is the ideal balance of rugged and refined. Black only, replacement seat covers and cushions are readily available.