Silver Kartz Unisex Double Gradient UV Protected Aviator Sunglasses (Black and Brown|cm007) Silver Kartz brings you the all time hit dark black and brown wayfarers combo, when more than half of India is facing summers, this dark wayfarer pair of sunglasses will surely gives you some relief from sun-rays. The sunglasses adds charm to your personality with its appealing excellence. The sunglasses are a rare excellence of production and workmanship. The sunglasses also has UV protection to protect your eyes from the harmful UV rays of the sun. It has "UV 400 protection" which blocks all light rays with wavelengths up to 400 nanometers. (This covers all of UVA and UVB rays. ).