Chase the horizon with the Costa 6S9138 San Carlos sunglasses, designed for life on the water. Crafted from durable nylon and propionate, these black sunglasses feature rectangular frames with clean, linear structure for a sleek, bold look. The grey mirrored lenses offer contrast-enhancing polarized technology, cutting glare and improving clarity even in challenging light conditions. With advanced 100% UVA/UVB protection, these Costa sunglasses combine performance and style, perfect for those who live to explore and need water to breathe.