Sharper angles, wide temples, and no-slip Hydrolite construction make the Costa Del Mar Corbina frames an instant classic. Plus, the co-molded nylon Mossy Oak Camo frame design offers up the perfect balance between modern style and aggressiveness. Designed to fit medium/large profile. Costa 580 Lenses cut down on yellow light, allowing the eye to see more red, blue, and green. This results in purer vision with unmatched contrast, definition, and colors. Costa plastic lenses are made of lightweight plastic and provide excellent impact and scratch-resistance, so you won't need to worry about the condition of your glasses during intense adventures. Having the correct lens tint is important, and the Costa Gray lens tint maintains color saturation and natural contrast. This is an optimal choice for sports on water and land. Each pair of Costas features 100% polarized lenses, providing complete UVA, UVB, and UVC protection. Lifetime warranty against defects in materials and workmanship.