Crafted for life on the water, the Costa Zane sunglasses are designed to perform with boldness and precision. The sleek rectangle frames in black nylon and propionate offer durability and clean, structured lines. These Costa sunglasses feature mirrored polarized lenses in blue that cut through intense glare, enhancing contrast for crystal-clear views under all light conditions. Whether you're chasing horizons or exploring the coast, these rectangle sunglasses for men provide advanced UVA/UVB protection with premium craftsmanship that's born on the water.