Costa Del Mar Mainsail Sunglasses Frame/Lens:Matte Black/Geen Mir 580P Nylon waterproof front entry zipper

Nylon waterproof front entry zipper

Trouble-free Leafield C7™ Valve guarantees simple

3-year retail warranty

thumb loops

Costa Del Mar Mainsail Sunglasses Frame/Lens:Matte Black/Geen Mir 580P Nylon waterproof front entry zipperFor the performance and style you need on and off the water, our Mainsail frames are your go to pair for every outing and adventure. Built with the same high quality materials and features you want everywhere from the beach to the big blue, Mainsail frames help keep excess light out with micro side shields and hooding, your frames in place with improved Hydrolite grips on the temples and help keep sweat and water out of your eyes with eyewire drains