Effortlessly cool, the O'Neill Coastline 2.0 men's polarized sunglasses feature a subtle square front with a vintage keyhole bridge that gives this frame a refined heritage edge. Versatile enough for everyday wear yet distinctive enough to make a statement, the Coastline pairs well with everything from board shorts to button-downs. HYDROFREAK polarized lenses provide UV400 protection, hydrophobic water-repellent coating, anti-reflective glare reduction, and impact-resistant clarity. The lightweight ZEROFORM frame material flexes for all-day comfort. Hydrofreak™ POLARIZED 100% UVA+B Protection (UV400) Water-repellent (hydrophobic) coating Anti-reflective coating for optimal glare reduction Scratch-resistant Ultra-light Zeroform® Frame Material