Named after the small, chilled-out town in the Sea of Cortez, the Costa Loreto sunglasses are full frame and adventure friendly. Whether it&';s hanging on the coastal cliffs for which these Costa men&';s or women&';s sunglasses get their name or on any adventure on land or sea, these durable, versatile, polarized sunglasses can handle their own for any explorer. a Premium Polarized 580 Lenses* Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. a 100% UV Protection Your Costas absorb 100% of UV light, providing you the best in light management and protection. a Adjustable Nose Pads Fully-adjustable, nonslip nose pads were designed to further customize your fit and help reduce fogging. a Scratch Resistant and Durable The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning. a Costa 580A(R) lenses Costa 580A(R) lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short. The lens&'; multipatented technology manages light by: a Absorbing Harmful High-Energy Blue Light (HEV) a Enhancing Reds, Greens, and Blues a Filtering Out Harsh Yellow