The V shape ventilation is designed to direct wind into five separate channels to prevent any unwanted materials from entering. The increased shape height not only enhancing the visual appearance but also improves the air flow. The back triangle ventilation shape is decorated with black glossy trim, exhibiting new trendy design with sportiness.

The ZS-811A streamline designed maximizes the aerodynamic performance and decreases its vibration. The spring-loaded mechanism provides great airtightness that prevents water and wind from getting into the helmet and also reduces the exterior noises. ZS-811A is tested in Wind Tunnel in order to ensure the high performance and minimum wind resistance.

ZS-811A incorporated a spoiler for an upgraded performance under extreme conditions. Its spoiler is made by polycarbonate, lighter and exceptional aerodynamic appearance. It is equipped with single UV 400 visor which provide high protection from UV ray. Polycarbonate visor with high impact resistance which creates not just a visual impression of high performance but also upgrades the structural integrity. ZS-811A using two rubber trims combining with spring-loaded visor mechanism to create more sealed to the waterproof trim.