- Standard: Meets or exceeds DOT standard. - Shell: Lightweight advanced polycarbonate composite shell construction. - Ventilation: Integrated ACS ventilation system featuring raised air channels that are combined with a 3 forward intake / 2 venturi exhaust vent system that allows front to back airflow and heat and humidity flushing up and out of the helmet99 - Interior: Nylex comfort pad material with odor reduction properties and superior moisture dissipation. - Others: Large eye port and maximum range visor design ensuring maximum visibility and superior goggle fit..