The Costa Del Mar Hybrid Broadbill II Sunglasses offer a modern, performance-infused layout built explicitly for the versatile waterman tracking demanding environments. This eco-conscious variant features a rugged Matte Sitka frame paired with ultra-clear Gold Mirror 580G polarized glass lenses optimized for varied and full-sun situations. Costa's elite 580G Lightwave glass technology targets and eliminates harsh yellow wavelengths to sharpen contrast while neutralizing optical fatigue over long hours. The updated hybrid framework integrates essential utility modifications, including built-in micro side shields to block peripheral light leaks and vented nose pads to prevent fogging. Built to hold its shape securely against sweat and ocean spray, Costa supports this premium optical kit with a limited lifetime manufacturer warranty. Costa Del Mar Hybrid Broadbill II MT Men's Matte Sitka Frame Gold Mirror 580G Polarized Lens Sunglasses 06S9120-91201758