The Costa Del Mar Performance Crudo Sunglasses represent an advanced fusion of impact resistance and high-performance maritime styling tailored for dedicated water sports enthusiasts. This heavy-duty variant pairs a comfortable, wrap-around Matte Tortoise XXL frame with high-clarity Gold Mirror 580G polarized glass lenses built to eliminate intense glare on open waters. Costa's elite 580G Lightwave glass engineering utilizes a specialized rose base that enhances natural color contrast and crisp visual definition while neutralizing eye strain in variable sun conditions. Built using highly resilient bio-resin frame materials, the rugged structure retains its exact alignment through high-heat environments and demanding, moisture-heavy conditions. To safeguard your essential field assets during continuous ocean exposure, Costa covers these high-end lifestyle glasses with their trusted limited lifetime manufacturer warranty. Costa Del Mar Performance Crudo Men's Matte Tortoise XXL Frame Gold Mirror 580G Polarized Lens Sunglasses 06S9136-91360464