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/ Arai Quantum-ST Pro Frost Helmet
New standard in comfort: the ‘'long oval'' shaped Quantum-ST PRO
The new Quantum-ST PRO features the ‘'long oval'' head shape. This specific shape offers a longer front-to back distance and a slightly smaller side-to side distance compared with the standard Arai head shape. This shape offers new levels comfort for many European riders, who will experience that the Quantum-ST PRO will fit them perfectly. The Quantum-ST PRO is acknowledged as the premium sports touring helmet, preferred by experienced touring and sports riders alike. The new Quantum-ST PRO edition enhances. The strong features of the ST model even further: standard PRO Shade System visor fitted, even more room around the mouth and nose and integrated speaker pockets in the cheek pads for a communication system. Also exclusive to the PRO version is the new ‘'Ecopure'' lining material offering new levels of comfort. The Quantum-ST PRO combines racing RX-7 GP technology with the comfort level needed for all day long touring riding.