HJC i10 Helmet - Fear: Since 1971, HJC has specialized in manufacturing motorcycle helmets exclusively. The combination of this extensive specialized manufacturing experience, innovative ideas, and reasonable pricing resulted in HJC's success in worldwide markets. It is HJC's continual goal to provide high quality, comfortable, and reasonably priced helmets to motorcyclists around the world. Advanced Polycarbonate Composite Shell: Lightweight, superior fit, and comfort using advanced CAD technology. Aerodynamic shell shape reduces turbulence. Impact-absorbing, multi-density EPS liner. ACS Advanced Channeling Ventilation System: Full front-to-back airflow flushes heat and humidity up and out. Chin bar intake vent provides airflow across the shield interior to help eliminate shield fogging. Anti-Fog System: Side chin bar venturi exhaust vents for increased heat and humidity dissipation. SuperCool Moisture-Wicking Interior: Crown and cheek pads are removable and washable. Multi-layer contoured cheek pads improve fit and comfort. All CL-17 cheek pads are interchangeable throughout shell sizes. Glasses grooves accommodate riders who wear eyeglasses. Anti-Fog Lens-Prepared Face Shield and RapidFire Shield Replacement System: Anti-fog lens-prepared HJ-31 face shield with anti-scratch coating. Optically correct, three-dimensional face shield offers 95% UV protection. RapidFire shield replacement system allows for quick, secure, and tool-less shield removal and installation. D-Ring Retention System: D-Ring with adjustable retention chin strap. Bluetooth Ready: Bluetooth sold separately. Weight: 3.80 pounds / 1,725 grams (approximately, based on size Medium solid.) Standards: DOT and SNELL (3XL DOT ONLY). Five-Year Warranty. Notes: The HJC i10 Helmet ships with a Clear shield. Uses the HJC HJ-31 Shield as a replacement or upgrade.