Head Sock Transitional Gray SFI 3.3

The IMPACT Racing Head Sock Transitional Gray SFI 3.3 is a single-layer Nomex head sock engineered to meet SFI Foundation 3.3 fire protection standards for motorsports competitors. Designed as a standalone undergarment or seamless layer beneath a racing helmet, this head sock delivers critical thermal barrier protection during high-performance driving, track events, and professional racing applications where fire safety compliance is non-negotiable.

Constructed from single-layer Nomex fabric, the head sock provides reliable flame resistance while maintaining breathability and comfort during extended wear. The single eyeport design allows unobstructed vision and easy helmet donning, while the one-size-fits-all construction accommodates a broad range of head shapes and sizes. The transitional gray colorway integrates seamlessly under most helmet designs and liveries. SFI 3.3 certification confirms this garment meets rigorous thermal and flame-spread testing requirements mandated by major racing sanctioning bodies.

This head sock is essential wear for drivers competing in circuit racing, drag racing, open-wheel series, and any motorsports discipline where SFI-rated personal protective equipment is mandatory. Professional racers, amateur competitors, and serious hobbyists rely on IMPACT Racing fire protection to meet technical regulations while safeguarding against thermal hazards in the cockpit. Lightweight and packable, the sock stows easily in a racing kit bag and pairs effortlessly with IMPACT Racing suits and other sanctioned fire gear.