polycarbonate lensUV400 PROTECTION-Lenses block 99% or 100% of UVB and UVA rays.UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation. One of the biggest differences between UV 400 protected items as compared to other items that protect against the sun's radiation is the fact that UV 400 protected items are capable of blocking light rays as small as 400 nanometers.POLYCARBONATE LENS-are made from a similar material to that of aircraft windshields and are virtually indestructible. Polycarbonate is light and scratch resistant (not scratch proof), offers a high level of optical clarity, and is 50 times more impact resistant than optical glass making for a very strong, distortion free lens.HIGH QUALITY FRAME - Made with only the highest quality materials, these sunglasses were constructed using special design techniques in order to ensure durability and avoid breakage while engaging in sports and recreational activity.Free delivery glasses case and glasses cloth.
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