Hybrid Sport Harness Sizing Chart

The Simpson Hybrid S is the only FIA- and SFI-approved head restraint specifically engineered for use with 3-point seatbelt systems. Validated through FMVSS208 third-party testing, this system delivers proven reductions in neck tension when compared to helmet-only configurations. The HYSLRG11M61 model features a carbon fiber shell with low-profile wings and a front buckle setup for clean fitment with no high back or bulky straps. It ships race ready with sliding tether M61 anchors and is compatible with Simpson’s seat belt anchor system. Ideal for instructors, test drivers, or any user running a 3-point harness system who demands FIA-level protection.

Simpson Racing HYSLRG11M61 Features:

• FIA and SFI Approved
• Compatible with 3-Point Harness Systems
• Carbon Fiber Construction
• Low-Profile Shell with No High Back
• Frontal Buckle Attachment for Clean Fitment
• Seat Belt Anchor System Compatibility
• Includes Sliding Tether M61 Anchor
• Large Size Configuration