Costa Gannet Polarized Sunglasses - Shiny Black Hibiscus/Gray - The big and beautiful Gannet is a sea bird that bravely takes a flight of over 1,800 miles from New Zealand to Australia. We hope that's just the inspiration you need to set out on your own journey with these medium-sized sunglasses featuring Hydrolite nose pads and water drop-shaped epoxy fill at the temple tips. Set out in style and comfort when you launch your trip across the water.