Costa Finlet sunglasses are crafted for bold explorers who demand performance in every moment. The rectangular rims deliver a sleek, minimalist style, while the durable nylon & propionate construction ensures they're ready for any challenge. These Costa sunglasses feature polarized copper lenses, finished with mirror & flash coloring, cutting through glare to provide exceptional clarity and contrast, even in intense light conditions. With finlet-inspired side shields for added protection and retainer-ready temple tips to keep them secure, these sunglasses are built to last with double-injected Hydrolite that prevents delamination. Engineered to perform, they're a trusted companion for those Born on the Water.