Very hard to find Costa Del Mar KC 21 (Kenny Chesney) sunglasses ! Limited Edition Aviator Polarized 580 Silver Frames Silver like mirror with copper rose lenses with black Hand-made Costa, super high quality, light but strong sunglasses. These limited edition Kenny Chesney model classic aviators are a great fit and unfortunately no longer made. Costa KC 21 sunglasses with high-quality polarized lenses designed to improve color clarity in various lighting conditions. Key points about Costa 580 lenses: • Color Enhancement: Filters out harsh yellow light, allowing for richer reds, greens, and blues. • • Glare Reduction: Effectively blocks glare from reflective surfaces like water. * • UV Protection: 100% protection against harmful UV rays. • • Lens Options: Available in different tints to suit various lighting conditions. Copper Silver Mirror Well-suited for stream fishing and other environments with varying light. • Copper Base • 12% light transmission • Excellent for sight fishing • Everyday activities • Most versatile • best for Cloudy days Limited Edition KC Costa Del Mar Sunglasses Kenny Chesney partnered with Costa Sunglasses to design his first line of signature sunglasses. Proceeds generated from the sale of the Costa Kenny Chesney Limited Edition Sunglasses benefited Coastal Conservation Association, a shared cause for both Chesney and Costa. These sunglasses are one-of-a-kind and once they're gone, they’re gone. I bought ,put them away,now need prescription😕