Protect your eyes wearing the Costa Men's Mainsail 580G Sunglasses. These sunglasses feature a lightweight square frame made from bio-resin for comfortable wear. The premium polarized 580 lenses cut glare and have a scratch- and water-resistant coating for added durability. They also block 100% UVA and UVB rays for added protection. Costa Del Mar Costa Men's Mainsail 580G Sunglasses Grey/Green - Case Sunglasses at Academy Sports