The Costa Del Mar Hybrid Broadbill II XL Sunglasses offer an upscaled, extra-large performance framework engineered specifically for larger head sizes tracking intense marine environments. This eco-conscious model pairs a highly durable Matte Sitka XXL frame with exceptionally clear Gold Mirror 580G polarized glass lenses optimized for varied and bright, open-water conditions. Costa's elite 580G Lightwave glass engineering uses a specialized rose base that enhances natural contrast and visual clarity while neutralizing eye strain during long hours on the water. The enhanced frame geometry integrates crucial modern updates, including built-in micro side shields to block peripheral light leaks and advanced nose pad venting to prevent moisture fogging. Designed to maintain its precise, non-slip alignment through heavy wind and sweat, Costa supports these high-performance glasses with their trusted limited lifetime manufacturer warranty. Costa Del Mar Hybrid Broadbill II XL MT Men's Matte Sitka Frame Gold Mirror 580G Polarized Lens Sunglasses 06S9135-91351162