You can relax knowing your eyes are protected from the elements whenever you wear the Costa Del Mar Brine 580G Polarized Sunglasses. These sunglasses provide 100% protection from harmful UV rays, and use polarized lenses to reduce back glare, which reduces eye fatigue. The glass lenses of the Brine sunglasses use Costa C-Wall™ technology to block blue and yellow light, which gives you better color clarity. FEATURES: Hydrolite™ temple tips provide comfortable, snug fit Co-injected, co-molding technology creates comfortable fit Glass 580G lenses block 100% harmful UV rays Costa LightWAVE™ glass is extremely thin and lightweight Polarized lenses reduce reflective glare and eye strain Uses patented technology to block yellow and blue light Enhances visual clarity and eliminates haze and blue Heavy duty frames include integral hinge Warranty: Manufacturer’s lifetime warranty Includes: Brine sunglasses, hard case SPECS: Fit: Large Lenses: 580G glass lenses Frame: TR 90 material frame California Proposition 65