Costa Del Mar Tuna Alley Sunglasses， White， Blue Mirror 580 Glass Lens<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Made in US </span></li><li><span class="a-list-item"> Costa's most high tech lens - 580 Glass provides superior clarity， scratch-proof， 100% UV protection and the best polarizing efficiency available. </span></li><li><span class="a-list-item"> Blue Mirror Polarized is best for bright， full-sun situations on the open water and offshore. </span></li><li><span class="a-list-item"> Costa's co-injected bio-based nylon frame material is both tough and durable， while offering a comfortable fit. </span></li><li><span class="a-list-item"> 100% polarization kills reflected glare and reduces eye strain. </span></li><li><span class="a-list-item"> Built by hand and backed for life. Every pair of Costa Sunglasses includes a limited lifetime warranty. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31a5our6zAL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31NVtrhjUpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/317SCRxdqmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31JXlrBDJdL.jpg" noproxy>