Crafted for watermen who demand bold, proven performance, these Costa sunglasses are built for life on the water. The Costa 6S9129 Fly Line sunglasses feature full-rim nylon and propionate frames with a sleek rectangular shape that delivers structure and a modern edge. Polarized sunglasses with grey lenses provide advanced UVA/UVB protection while intercepting reflections and reducing glare, ensuring optimal clarity and contrast in any light condition. Designed with an 8 base wrap for superior coverage, these polarized sunglasses for men incorporate double-injected hydrolite on the nose and temple tips for enhanced comfort and secure retention. Retainer-ready temple tips make them as functional as they are sophisticated—perfect for chasing horizons and embracing your coastal lifestyle.