Costa Del Mar South Point Sunglasses Made in US Metal frame Plastic lens Polarized Iridium 100% UV protection coating Lens width: 59 millimeters Lens height: 50.7 millimeters Bridge: 14 millimeters Arm: 122.6 millimeters Costa's 580 Polycarbonate provides high clarity, impact- and scratch-resistance along with lightweight all day wear-ability. Blue Mirror Polarized is best for bright, full-sun situations on the open water and offshore. Costa uses only the best in metals Monel is a super tough, corrosion-resistant alloy that provides a different look and feel. 100% polarization kills reflected glare and reduces eye strain. Built by hand and backed for life. Every pair of Costa Sunglasses includes a limited lifetime warranty.