Super Retro Photocromic Transition Clear Lens Classic Aviator Sunglasses Unisex metal frame photochromatic lens non-polarized Lens width: 57 millimeters Lens height: 47 millimeters Bridge: 16 millimeters Arm: 132 millimeters 100% Protection Against Harmful UVA/UVB Rays Classic Metal Hinges U.S. Standard ANSI Z80.3-2001 | CE Certefied XDF Polycarbonate Lens Classic Aviator Frame