Born on the water, the Costa 6S9008 Spearo sunglasses are built for bold explorers chasing horizons. These square sunglasses for men, crafted from durable nylon and propionate, deliver sharp angles and modern style that defines your look. The blue mirrored sunglasses feature premium polarization, cutting through glare and enhancing contrast for crystal-clear views in the harshest light conditions. With advanced UVA/UVB protection and a vintage-inspired key bridge for added comfort, these Costa sunglasses combine timeless design with innovative performance. Perfect for watermen and coastal adventurers, they're ready to perform—wherever the tide takes you.