HJC i31

The HJC i31 is an open-face helmet built for commuting and cruising, pairing an Advanced Polycarbonate Composite shell with a newly designed HJ-V12 sun shield that extends by 5 mm for enhanced sun coverage and a refined visor locking system for tighter sealing and greater stability. ACS ventilation—developed from MotoGP race helmet expertise—runs heat and humidity out consistently across longer rides.

Shell & Construction

• Advanced Polycarbonate Composite shell engineered to be lightweight while delivering an exceptional fit and comfort using CAD technology
• Extended cheek area reduces wind noise while creating a more secure and comfortable fit

Ventilation

• Advanced Channeling Ventilation System (ACS) combining technology developed from HJC's MotoGP race helmet expertise
• Delivers industry-leading aerodynamics and airflow for enhanced riding comfort

Shield & Sun Shield

• HJ-43 face shield with 99% UV protection and Anti-Fog lens preparation
• Integrated HJ-V12 sun shield newly designed to extend by 5 mm for enhanced sun coverage, with anti-fog and anti-scratch coatings
• Improved shield locking system engineered for enhanced sealing performance and stability

Interior Comfort

• MultiCool moisture-wicking and quick-dry interior with removable, washable crown and cheek pads
• Integrated glasses grooves for comfortable accommodation of eyewear

Weight: Approximately 3.30 lbs / 1,500 g (size Medium, solid color)

Certifications: DOT