* PB-e c Lc outer shell, constructed of Arai's original super fiber & a newly developed resin * New Arai vent system: three exhaust holes are provided on top so that air passes through the air channel in the liner & is exhausted efficiently through the slit at the back of the head by negative pressure caused when riding. The highly efficient ventilation is realized while maintaining a simple & clean surface * Glancing Off concept: increases the ability of glancing off objects, without transmitting shock energy to the rider Article: Arai Concept-XE Temu Helmet, black-white-blue, Size M for Men