The category 1–3 photochromic lens tints with ambient light

and blocks up to 92% of sunlight; it adapts to changing conditions (cloudy, rainy, or foggy) and to your route (forests, shaded sections, tunnels).

The PersoEvo4 eyewear is ultra-light (28 g) and ventilated (4 vents on the central frame and 8 on the lens)