The Costa Del Mar Saltbreak Limited Edition Polarized Sunglasses bring the same peaceful vibes that the sound of waves do. Their polarized 580 polycarbonate lenses eliminate any annoying glares to keep your vision crystal clear and your eyes calmly non squinty. These lenses also provide superior clarity, resist scratches and impact, and repel oil, water, and dust for longevity. The heavy duty TR 90 nylon frame provides lightweight durability, and nose and temple pads enhance your comfort. Stainless steel hinges won't rust in case you decide to take a dip.