With 20 perfectly placed vents, Rex has maximum airflow at slower speeds and in warmer climates, allowing you to stay cool. The optimum airflow is complemented by innovative frontal pads with new technologies which encourage efficient sweat evaporation, providing comfort and temperature management. The rider¡¦s entire head is protected including the Lower Occipital bone in the rear and added temporal coverage in front for additional safety. The Octo-fit adjustable rear fitting system has a wide range of adjustment to fit all head shapes and sizes in complete comfort. Produced using the innovative In-Moulding system, the Rex offers the same mechanical strength and shock resistance as KASK¡¦s other leading helmets. At just 310g the Rex is light weight for the superior protection and comprehensive head coverage it offers. The Rex has a removable multi-position ratcheting visor and integrated goggle retention clip at the rear for aggressive and demanding trails and competition. There is a Lux Leather chinstrap and integrated camera mount. Visor and Goggle Clip are made from plastic polymer, and the visor screws are aluminum.