Oakley Mens Sliver Machinist Asian Fit Sunglasses, Matte Black/Chrome Iridium Composite frame Composite lens polarized Lens width: 57 millimeters Bridge: 17 millimeters Arm: 141 millimeters Plutonite Lenses offer top UV Protection filtering 100% of all UVA, UVB, UVC and harmful blue light up to 400nm Three-Point Fit holds lenses in precise optical alignment while eliminating pressure points common with frames that hook the ears O-Matter stress-resistant frame material is both lightweight and durable for all-day comfort and protection