Discover the Costa 6S9113 Tailfin — a sleek, minimalist design crafted for watermen who demand performance. These Costa sunglasses feature rimless rectangle frames, made from durable nylon and propionate, offering a barely-there feel with contemporary flair. The polarized sunglasses for men come with grey lenses that reduce glare and reflections, enhancing contrast and clarity for a sharp, uninterrupted view. Finished in green, these green sunglasses for men are a modernized Costa classic built to protect against 100% UVA/UVB rays, ensuring all-day comfort and style for life on and off the water.