The PersoEvo4 glasses are very light (28g), ventilated (4 vents on the central frame, and 8 on the lens).

The category 1 and 2 photochromic lens are tinted according to brightness and will filter the sun's brightness to 92%, it adapts to changing weather conditions: cloudy, rainy or foggy weather or to your environment: forests, shaded, areas, tunnels etc.
- The category 1 and 2 photochromic lens are tinted according to brightness.
- Ventilated frame (4 vents) and ultra light model: 28 gr.
- 8 vents on the lens
- Adjustable nose bridge.
- Grip sleeves for excellent support.
- Compatible with optical inserts