Electric Visual Knoxville XL Gloss Black/M1 Polarized Grey Sunglasses Plastic frame Composite lens Polarized 100% UV protection coating Lens width: 56 millimeters Lens height: 45 millimeters Bridge: 18 millimeters Arm: 133 millimeters Hinge: stainless steel Lens: polycarbonate Photochromic: no Polarized: yes Interchangeable Lens: no