Julbo's proprietary Alti chromic X4 photochromic lenses adapt to variations in light conditions by becoming darker or lighter. The Advance sunglasses offer increased visibility in changing light conditions. Users can adjust the glasses for a custom fit using Julbo's Adjust Concept earpieces and Morpho Nose. A removable shield prevents light from entering at the sides.

• Alti Chromic X4 - Photochromic brown glass lenses. Cat. 3 to Cat. 4 progressive protection depending on variations in light intensity.
• Sun Stop - Detachable side shields = optimal protection from wind and indirect sunlight
• Morpho Nose - Flexible, shock-proof and adherent insert = ideal grip and comfort.
• Adjust Concept - Moldable temples = optimized comfort and ergonomics.