The Costa Del Mar Performance Fantail Pro Sunglasses deliver top-tier structural tracking capability packed with specialized performance upgrades for dedicated anglers. This premium setup features an optimized Matte Chesapeake Blue frame outfitted with ultra-clear Blue Mirror 580G polarized glass lenses built for open, deep-water environments. Costa's elite 580G Lightwave glass engineering enhances true color definition and blocks out harsh yellow light spectrums, vastly outperforming standard lenses in reducing optical fatigue. The advanced wrap-around frame architecture utilizes co-molded bio-resin materials with custom sweat channels, eyewire drains, side shields, and stickier Hydrolite rubber contact points. To ensure long-term product reliability throughout all your demanding maritime operations, Costa backs these performance lifestyle glasses with their trusted limited lifetime manufacturer warranty. Costa Del Mar Performance Fantail Pro Men's Matte Chesapeake Blue Frame Blue Mirror 580G Polarized Lens Sunglasses 06S9079-90791860