SAINT LAURENT Saint Laurent Blue & Beyond Glasses Sl 619 Unisex Black

Description

Lens colour description:
• Lens colour: clear to grey photochromic
Blue & Beyond technology description:
• Thanks to the BLUE & BEYOND high-end reactive photochromic technology, the colour of the lens seamlessly adapts to different light environments and light intensity changes: lenses easily darken when outdoors and return back to light when indoors.
Benefits:
• High quality vision
• Superior comfort
• Lifelong durability
• 100% protection against UV rays
• All-day long wearability
• Reduced eye-fatigue
• Blue light reduction indoors& outdoors
• Relieved eye stress