F31 – HJC HELMETS US

The F31 combines lightweight comfort, advanced ventilation, and touring-focused functionality in a refined fiberglass design. Its Advanced Fiberglass Composite Shell offers a superior fit and comfortable wear, while the ACS ventilation system channels airflow from front to back to help remove heat and humidity. A Pinlock-ready HJ-43 visor with 99% UV protection, anti-scratch coating, and improved sealing enhances visibility and convenience, while the dynamic multi-step sun shield provides a more optimized riding position. Moisture-wicking interior materials, removable and washable pads, and SMART HJC Bluetooth compatibility further enhance everyday comfort and versatility.

FEATURES

STANDARD: DOT

Meets or exceeds DOT FMVSS 218 requirements. Testing covers impact energy attenuation, penetration resistance, chin strap structural integrity, and labeling requirements for on-road motorcycle helmets.

AFC SHELL

Crafted for lightweight performance and lasting durability, the APC(Advanced Fiberglass Composite) Shell delivers a refined balance of comfort, strength, and everyday protection.

AERODYNAMIC PERFORMANCE

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ACS

Advanced Channeling Ventilation System: Designed with an aerodynamic shell and optimized vent layout, the F31 enhances airflow for a cooler and more refined riding experience. Its three intake vents and single exhaust vent work together to promote efficient ventilation and lasting comfort on the road.

DMS SUN SHIELD

Dynamic Multi-Step Sun shield lets you fine-tune the visor to the optimal position. It is anti-fog coated and designed to be distortion-free for clear, comfortable vision.

LOCKING SYSTEM

Engineered with a strengthened locking system, the design enhances protection while creating a slimmer, sleeker front profile and a more secure fit.

BOOM MIC COVER

The integrated SMART HJC boom mic cover contributes to a cleaner, more refined design while enabling seamless integration with SMART HJC communication systems.

SMART HJC 2ⁿᵈ GEN.

Engineered in collaboration with SENA and tailored exclusively for HJC helmets, the SMART HJC 2nd generation premium Bluetooth communication system features a fully integrated all-in-one design that enhances weight balance and aerodynamic performance for an elevated riding experience.
All SMART HJC devices are sold separately.

3 YEARS WARRANTY

Warranty coverage applies to manufacturing defects for up to 3 years from the date of purchase or 5 years from the date of manufacture, whichever comes first.