Costa del Mar Cut Polarized Iridium Square Sunglasses, Matte Tortuga Fade, 60.6 mm Made in US Plastic frame Plastic lens Polarized Iridium 100% UV protection coating Lens width: 60.6 millimeters Lens height: 39.6 millimeters Bridge: 11.5 millimeters Arm: 130 millimeters Case included Lenses are prescription ready (rx-able) Costa's 580 Polycarbonate provides high clarity, impact- and scratch-resistance along with lightweight all day wear-ability. Green Mirror Polarized enhances vision and contrast, great for fishing inshore and on flats. Costa's co-injected bio-based nylon frame material is both tough and durable, while offering a comfortable fit. Comfortable L fit. Built by hand and backed for life. Every pair of Costa Sunglasses includes a limited lifetime warranty.