Costa Del Mar Fly Line 580G Glass Polarized Sunglasses feature an 8 base wrap that provides coverage and protection from the elements. Born On the Water in the fishing capital of the world, Costa Del Mar sunglasses are made for those who don't just spend their lives on the water, they come to life on the water. Each pair has polarized lenses to provide 100% UV protection and color-enhancing 580 lens technology filters out harsh yellow and harmful blue light, making colors brighter and objects sharper. Costa Del Mar Fly Line 580G Glass Polarized Sunglasses sport double-injected Hydrolite temple tip inserts and fixed nose pads for a more secure, comfortable fit and come retainer ready. They also include a case, a cleaning cloth, and a mfrs. 2-year limited warranty.Manufacturer style #: 6S9129. Blocks 100% of harmful UV light 580G lens technology filters out harsh yellow and harmful blue light Hydrolite temple tips and nose pads for a more secure, comfortable fit