Photochromic Polarized Driving Sunglasses Men Square Matte Frame Eyewear Outdoor Sport Cycling UV Protection Glasses

The lense will change color due to the intensity of the UV light.

suffering the stronger sunlight, the glassess lense will be black; In cloudy day, it changes into gray; At room or night, it's transparent.

The advantage of a photochromic lens is that you can wear your eyewear all day and can change your lenses color according to light conditions.

This photochromic sunglasses only weight 21 grams.

PC made lenses and frame process durable photochromic cycling glasses.

And nose pads make you comfortable while wearing.

Polarized sunglasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces.

Restore true color, eliminate reflected light and scattered light and protect eyes perfectly.