The Twist Four VL+ from the Performance series is suitable for ambitious all-weather athletes who value three protection levels with self-tinting. The Varioflex lenses automatically adjust to the ambient brightness and the Fogstop coating ensures fog-free vision. Perfect adjustment options are provided by the adjustable nose pads and temples.technologiesOptimized AirflowHighly curved discs optimally surround the face. They protect the eyes from draughts and cold and improve visibility. The combination of hard frame, soft temple ends and nose pads increases the wearing comfort and fit of the glasses.twist fit nose pads, which can be rotated continuously via a ratchet, adapt individually to any nose shape.2 Component DesignThe combination of hard frame, soft temple ends and nose pads...