MLC EYEWEAR &reg; Vintage Retro Racer Inspired Aviator Sunglasses Tri-Layer UV400 Unisex Metal frame composite lens non-polarized Lens width: 55 millimeters Bridge: 18 millimeters Arm: 138 millimeters U.S. Standard ANSI Z80.3-2001 | CE Certified | UV400, absorbing over 99% of harmful UVA and UVB spectrums. Smart design to fit your face curve. Absolute comfort for everyday wear. MLC smart sunglasses are always affordable, fashion, and styling with most trendy elements. Extremely stunning and stands out fashionably. Lens 55mm x Bridge 18mm x Arms 138mm, Lens Height 48mm