• Simpson's Hybrid S model is currently the only Frontal Head Restraint proven effective for 3-point harnesses.
• FIA and SFI approved.
• Tested to FMVSS208.
• Allows high-performance driving instructors, auto manufacturing test engineers, and other drivers with 3-point harnesses access to the advantages of head restraint safety.
• In conjunction with a Snell or FIA rated helmet and a 3-point harness, reduced neck tension significantly when compared to a test with only a helmet and 3-point harness.