FUSE G15 Polarized Replacement Lenses for Oakley Tightrope plastic frame interchangeable lens Polarized lenses Lens width: 58 millimeters Lens height: 35 millimeters G15 Polarized is a grey/green lens based on the Navy Air Corps requirements and the standard lens color for military pilots around the world. Completely block harmful UV rays, providing 100% UVA/UVB protection Constructed from the highest quality polycarbonate material for the ultimate in safe and clear eyewear Polarized lenses that offer unsurpassed glare reduction for maximum wearer comfort Custom Made to easily interchange with your current sunglasses