Specialised sunglasses for bright sunny days with a light transmission of 18%. Rader EV Path Polished Black comes with a grey lens. A wide lens of 138mm gives a wide field of vision for optimized visibility. At the same time, the shape of the Path lens means extended upper field of view. The sunglasses are designed for maximizing the airflow for better ventilation. The O-Matter frame is both lightweight and durable.