With 20 vents, Rex offer maximum airflow allowing you to stay cool while you ride; Optimum airflow is complemented by innovative frontal pads with new technologies for efficient sweat management and optimal comfort; Extended coverage on the back on the side of the helmet increases impact protection for you head for additional safety; OCTOFIT system has a wide range of adjustment to fit all head shapes and sizes; With a weight of just 310g the Rex is among the lightest helmets in the trail segment; Features a removable multi-position ratcheting visor and integrated goggle retention clip in the back; Lux Leather chinstrap and integrated accessories mount on top of the helmet complete the long list of features