Sector Chev Helmet Red/NavyDesigned for comfort, performance and coverage, all without draining your wallet. Focusing on the details, Thor's helmets feature a dual density EPS liner, injection molded polycarbonate ABS shell, adjustable visor and integrated ventilation for class leading performance. Wherever your ride takes you, the Sector helmets are up to the task. Injection molded polycarbonate ABS shell construction Dual density EPS liner features extensive venting Fully