Karsaer Classic Polarized Photochromic GLasses for Men Sports Driving Sunglasses E1086

• Karsaer TriAcetate Cellulose lens -- adjust the transmittance through the discoloration of the lens, Lenses are slightly tinted(light gray) when indoors or at night and the lenses gradually darkens as it is exposed to ultraviolet light, but lenses are keeping the transmittance. So eyes can adapt to changes in the ambient light, reduce visual fatigue, and protect the eyes, keep the eyes always the most comfortable state.
• Photochromic Lenses - The lenses change colour in response to the intensity of UV rays. In strong sunlight, the lenses turn black; on cloudy days, they turn grey; indoors or at night, they are transparent. The advantage of photochromic lenses is that the lenses change their colour according to the intensity of UV rays. In strong sunlight, it effectively maintains the appropriate brightness and protects your eyes.
• Lightweight Wayfarer Design -- The Ideal For Driving, Running, Fishing, Motorcycle, Cycling Bicycle, Skiing, Climbing, Trekking Or Other Outdoor Activities Enthusiasts, and is suitable as high fashion accessory and daily wear all year round. It is also gift ready, making it a wonderful yet practical gift idea for friends and Family.
• Product Dimensions -- Lens Width: 59MM(2.32 inches) Lens Height: 37MM(1.46 inches) Temple Length: 127MM(5.00 inches) Nose Bridge: 15MM(0.59 inches) Frame Length: 140MM(5.51 inches)
• Suitable for Most Outdoor Sports - Whether fishing, boating, sailing, jet skiing, driving, running, biking, mountaineering, hiking,Karsaer sports sunglasses can meet your outdoor need
• Karsaer TriAcetate Cellulose lens -- adjust the transmittance through the discoloration of the lens, Lenses are slightly tinted(light gray) when indoors or at night and the lenses gradually darkens as it is exposed to ultraviolet light, but lenses are keeping the transmittance. So eyes can adapt to changes in the ambient light, reduce visual fatigue, and protect the eyes, keep the eyes always the most comfortable state.

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