The Costa Del Mar Performance Crudo Sunglasses serve as a premier optical asset engineered specifically for serious watersports enthusiasts and marine professionals. This specific model utilizes a rugged and adaptive Matte Black XXL frame outfitted with ultra-lightweight Gray 580P polarized polycarbonate lenses optimized for everyday bright sun conditions. Costa's proprietary 580P polycarbonate lens technology maximizes impact resistance and surface weight reduction while filtering out high-energy yellow wavelengths to reduce eye strain. The heavy-duty bio-resin frame construction is built to hold its exact structural integrity through intense heat and high-moisture tracking environments. To ensure lasting confidence and safeguard your equipment investment, Costa protects these premium performance sunglasses with their signature limited lifetime manufacturer warranty. Costa Del Mar Performance Crudo Men's Matte Black XXL Frame Gray 580P Polarized Lens Sunglasses 06S9136-91360164