HJC i31 Helmet
The HJC i31 open-face helmet is crafted for riders who love the freedom of the open road and value lightweight comfort. Built with an APC Advanced Polycarbonate Compound Shell, the i31 provides durable protection while remaining easy to wear. Its ACS Advanced Channeling Ventilation System keeps air flowing, ensuring you stay cool and comfortable during long rides.
With a Pinlock-ready HJ-43 visor and a pre-installed dark smoke sun shield, the i31 effortlessly adapts to changing light conditions. Inside, it features a moisture-wicking liner and removable, washable crown and cheek pads for a personalized, comfortable fit. Glasses grooves provide added convenience for riders who wear eyewear, enhancing the overall riding experience.
Whether you’re commuting through the city or cruising scenic routes, the HJC i31 open-face helmet is designed to keep you confident and comfortable, making every ride your own.
- Advanced Polycarbonate Composite Shell
- Pinlock®-Ready HJ-43 Shield
- ACS Advanced Channeling Ventilation System, 1 intake and 2 exhaust vents
- HJ-V12 Integrated Dark Smoke Sun Shield
- MultiCool™ Moisture-Wicking & Quick Dry Interior
- Aerodynamic 3D Shield Design
- Rapidfire™ Shield Replacement System
- Nylon Strap Retention System
- Grooves For Eyeglass Wearers
- Standards: DOT
- Construction: Injection-molded polycarbonate thermoplastic
- Weight: 3.30 lbs / 1500 grams (approx, based on Size Medium Solid Color)
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Sizing Information
Below is a size chart provided by HJC for this product. If you need help with how to measure, or how to evaluate the fit of a helmet please have a look at this guide by HJC (the size chart included in this guide is for a “generic” HJC helmet and may differ slightly from the chart below that is specific to this product).
If you have questions about how this helmet might fit as compared to other helmets in your closet, please visit this FAQ for some advice.
i90 specific size chart
Sizing information is provided by the manufacturer and does not guarantee a perfect fit.
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