HJC RPHA 31

The HJC RPHA 31 is a 3/4 open-face helmet designed to deliver a more secure, full-face-inspired fit than conventional open-face helmets, built on HJC's PIM EVO multi-material shell. It combines an Advanced Channeling Ventilation System developed from MotoGP race helmet expertise with an integrated Dynamic Multi-Step Sun Shield and extended chin coverage, giving touring and urban riders a refined open-face option with added wind management.

Premium Integrated Matrix EVO Shell

• PIM EVO construction engineered with carbon-aramid fiber, carbon fiber, glass fiber, organic non-woven fabric, and natural linen fiber
• Elongated shell and extended chin EPS provide enhanced chin coverage beyond standard open-face helmets
• Multi-density EPS liner for elevated shock resistance

Advanced Channeling Ventilation System

• Industry-leading aerodynamics and airflow for enhanced comfort, developed using MotoGP race helmet expertise
• Refined aerodynamic performance helps reduce airflow resistance
• Deployable visor deflector reduces wind noise and turbulence

Dynamic Multi-Step Sun Shield

• Integrated DMS Sun Shield with multi-step positioning for fine-tuned visor control
• Anti-fog coated and distortion-free for clear vision in varying light
• Refined visor holder enhances stability during use

RPHA Premium Fit Interior

• Advanced anti-bacterial fabric engineered for superior moisture-wicking and quick-drying performance
• 3D-contoured cheek pads with reflective material
• Interchangeable cheek pads across all sizes for a custom fit

SMART HJC 2nd Generation Connectivity

• Compatible with SMART HJC 2nd Generation Bluetooth communication system (sold separately)

Construction: PIM EVO (carbon-aramid fiber, carbon fiber, glass fiber, organic non-woven fabric, natural linen fiber)

Certifications: DOT