Protect your eyes. Enhance your vision. Keep your cool. Costa Diego 580G Polarized Sunglasses take comfort and safety to elevated levels. 580G glass lens technology delivers their highest clarity, with glare-blocking polarization and UV-blocking protection. Plus, top and side shield details eliminate light leak. When you work up a sweat, an innovative vented spring hinge system keeps the airflow moving, while additional airflow/sweat channels help keep moisture out of your eyesight. Metal slots at the temples are lanyard ready. And the extra-large size fits your wide profile while providing top coverage. Choose Grey Silver Mirror lenses for all-purpose, everyday activities. Or, choose Blue Mirror lenses for top performance while boating over reflective, full-sun open water. 580G technology for 100% glare-killing polarization, 100% UV blocking Scratch-resistant glass lenses also offer their highest technology for clarity Castor plant bio-resin frame is lightweight and durable, and it keeps its shape under extreme conditions Airflow/sweat channels promote breathability to keep moisture out of your eyes Vented spring hinge system maximizes airflow for added breathability Top and side details eliminate light leak for added clarity Metal keeper slots for lanyard Matte Black frame with Blue Mirror lenses ideal for open reflective water, 10% light transmission Matte Midnight Blue frame with everyday-use Gray Silver Mirror lenses, 10% light transmission Includes zipper case and cleaning cloth Order today!