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Simpson’s Hybrid S model is currently the only Frontal Head Restraint proven effective for 3-point harnesses, and it is also FIA and SFI approved. Additionally, in a partnership with Detroit auto manufacturers, the Hybrid S is third party tested to FMVSS208.

The Hybrid S allows high-performance driving instructors, auto manufacturing test engineers, and other drivers with 3-point harnesses access to the advantages of head restraint safety.

The FIA Hybrid Head Restraint, 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.

While we can offer head restraint protection for use with 3-point seatbelts, Simpson’s top concern is driver and instructor safety. We suggest a Full Containment Cockpit System that includes a Full Containment Seat, Snell or FIA rated Helmet, FIA or SFI approved Frontal Head Restraint, and a 5 to 7-point seatbelt harness system for the best protection while on the track.


  • FIA 8858 approved, SFI 38.1 certified
  • 3 point belt compatible
  • High-quality carbon fiber construction
  • Low profile. No high back to hook on the bars on exit.
  • Multiple load paths to dissipate head loads
  • Buckle attachment in front. No bulky straps underneath.
  • Ships race ready with HANS post tethers
  • Seat belt anchor system
  • Helmet anchors available for upgrade
  • Made in the USA


  • X-SMALL (32-36″ CHEST)
  • SMALL (36-40″ CHEST)
  • MEDIUM (40-44″ CHEST)
  • LARGE (44-48″ CHEST)
  • X-LARGE (48-52″ CHEST)

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