Wave Killer Sunglasses - Black Frame with Blue Mirror Glass Lens Polarized sunglasses are rapidly becoming the standard for use in marine and outdoor activities. That's because nothing can beat its glare slashing performance. Over the past 16 years, Costa Del Mar has been quietly perfecting its ACPS polarizing technology designed to conquer the most extreme outdoor conditions. Now, that same outstanding performance is available in a completely new line of fashion frames to please the most discriminating taste. Click on the color to choose another lens for this frame style: Grey - A neutral color that provides contrast and minimized color distortion. Ideal for all water sports, offshore fishing, driving and most daily outdoor activities. Amber - A brown tint that increases contrast in most light conditions. In addition to bright sun, amber offers excellent light management properties on cloudy or rainy days. Designed for general purpose, high contrast, light situations. Blue Mirror - Designed for bright sun conditions from offshore fishing to most water sports. The lens color is gray and the blue mirror is encased inside the lens for maximum scratch resistance. In addition, a high tech anti-reflective coating combines with the blue mirror for unequaled light management. Green Mirror - Offers enhanced visual acuity for specific light situations such as sight fishing but is worn by many for everyday use. The lens color is amber and the green mirror is encased inside the lens for maximum scratch resistance. Like all Costa's glass lenses, the high tech anti-reflective coating is applied for maximum performance.boatersworld.com offers a large selection of Costa Del Mar Sunglasses. Please click here to choose another frame style.