Frame Features -The temples of these sunglasses are carefully constructed of high-quality, rust-free aluminium-magnesium alloy which is also called aerospace alloys or aircraft alloys. This is really lightweight, durable, sturdy and sratch-resistant. - Spring assisted hinge make these sunglasses comfortable to wear, even for larger face. -Fashion & Smart design to fit your face curve and absolute comfort for everyday wear. Polarization - Pure Colors: Colors look vibrant, sharp and true. - Precise Details: See all the details you normally miss. - Powerful Anti-Glare: With glare form reflective surfaces reduced, you don't need to squint. - Total UV Protection: Polarized lenses eliminate 100% of UVA/UVB rays. Most of the glare that causes you to wear sunglasses comes from horizontal surfaces, such as water or a highway. When light strikes a surface, the reflected waves are polarized to match the angle of that surface. So, a highly reflective horizontal surface, such as a lake, will produce a lot of horizontally polarized light. Therefore, the polarized lenses in sunglasses are fixed at an angle that only allows vertically polarized light to enter. A lot of sunglasses advertised as polarizing actually are not. There's a simple test you can perform before you buy them to make sure. Find a reflective surface, and hold the glasses so that you are viewing the surface through one of the lenses. Now slowly rotate the glasses to a 90-degree angle, and see if the reflective glare diminishes or increases. If the sunglasses are polarized, you will see a significant diminishing of the glare. Package includes - Glasses - Glasses cloth - Glasses bag - Glasses case
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