These are Brand new Glasses come with case box and warranty never worn. why pay 90.00 retail when you can purchase for this amount.This is a pair of authentic Gargoyle Vortex II eyewear , frames are Silver Matte, with metal frames and spring loaded arms for superior comfort. with Silver Smoke lens, 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.