MLC Eyewear Vintage Classic Fashion 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. MLC stress-free frame material is both lightweight and durable for all-day comfort and protection MLC smart sunglasses are always affordable, fashion, and styling with most trendy elements. High durability weather resistance anti-fade coating Lens 55mm x Bridge 18mm x Arms 138mm, Lens Height 48mm