This is a pair of authentic gargoyle Voyager eyewear , frames are black , with spring loaded arms for superior comfort. with Black Ice lenses, and are made of polycarbonate which is stronger, safer and lighter than glass. Lenses guard from 100% UVA and UVB and UVC protection, Ordinary sunglasses just block UVA rays not UVB and UVC rays. They are also coated with a NASA derived scratch resistant and anti fog coating. They also exceed the ANSI Z87.1 and OSHA requirements. 50 times stronger than safety glass and 20 times stronger than structural aluminum. Mirroring on lenses is done in layers up to 12 layers are used depending on color. The wrapback design provides your eyes with 210 degrees of wrapback coverage without distortion.