The HJC RPHA 90s CARBON is HJC's premium offer in the category of modular helmets. The RPHA 90s is a dual homologation helmet. Giving you the freedom and convenience of legally wearing it in the closed position as well as open position, essentially transforming it into a jet helmet. Furthermore, the helmet is really compact and lightweight. HJC even argues it is one of the lightest modular helmets on the market.The RPHA 90s CARBON comes in 3 shell sizes to ensure compactness. Similar to HJC’S sport oriented helmets in the RPHA series, this helmet is constructed from P.I.M. PLUS carbon, which is a laminated material from several layers of fiber glass, carbon fiber and aramid fiber and a carbon fiber outer shell. Overall this results in a very strong and even more light weight helmet than the RPHA 90s is . The RPHA 90s CARBON has HJC’s new fastening system, an extra strong full metal micro buckle system made from a highly durable 100% stainless steel. To ensure a good line of sight, the visor comes with an anti-fog lens and thanks to the RapidFire Shield Replacemant System, the visor comes off in a jiffy. HJC Equipped the RPHA 90s CARBON with an internal, anti-scratch, fog resistant sun visor with wider-vision. This extra wide sun visor provides better peripheral vision, and it helps to reduce eye strain even on the brightest of days. Next to weight and safety, comfort is important in any top of the line modular touring helmet. The helmets entire interior is a ’’Low-noise Interior’’. This is a 3D-engineered, ergonomic interior designed to reduce noise significantly. And the Multicool interior, keeps your helmet fresh and your head cool with its enhanced moisture wicking and quick drying function. And when needed the crown and cheek pads are removable and washable. The RPHA 90s is prepared for the SMART HJC Bluetooth devices, which seamlessly integrate onto the helmet. In short, this helmet truly ticks all the boxes.