Men's & Women Photochromic Sunglasses Polarized for Driving Rectangular Frame with 100% UVA UVB Protection

Lens Height : 40 millimetres Bridge : 16 millimetres PHOTOCHROMIC DESIGN - The magical photochromic lenses are based on the intensIty of sunlight and ultraviolet lights, darkening the light grey lens. What's more, these glasses can protect eyes without interfering with your perception of colour. UV400 POLARIZED PROTECTIVE LENSES - These sunglasses are superior to the previous type of sunglasses in three ways - when moving indoors or outdoors, the lenses adjust to the reduced lighting conditions automatically. And secondly, the polarised lenses reduce flare and glare. Meanwhile, 100% protection can against harmful UVA/UVB Rays. Unbreakable&Lightweight Frame: Made of Alloy, a new material which is flexible, wear-resistance and durable. It is also lightweight and stylish, less likely to break or bend from the impact, ideal for driving, golf ,fishing, outdoors sports and activities .