Like the California point break it was named for, the Rincon II has a classic West Coast straight bridge, wrapping style lines and edgy curved temples. Made from our castor plant bio-based resin, the big frame and sharp angles of Costa's Rincon sunglasses reflect the classic right point break and the hard-charging surfers who champion the sport. With Rincon's spring hinges and polarized lenses, the Rincon is a great oversized style for most or a perfect extra large fit for "big heads". You know who you are. Premium polarized 580 lenses - filtering reflective glare is essential for anyone on the water or outdoors, we sell only polarized sunglasses 100 percent UV protection - your Costas absorb 100 percent of UV light, providing you the best in light management and protection Scratch resistant and durable - the c-wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning 6 base curve - medium coverage - frames with medium-coverage and wrap that value style but still perform Regular fitting a large lens front designed to fit those with an average-sized head Green mirror - enhanced vision and contrast for fishing inshore and on flats, copper base - 10 percent light transmission Costa 580 lenses - designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short Lens' multipatented technology manages light by absorbing harmful high-energy blue light (hev), enhancing reds, greens, and blues, filtering out harsh yellow Hydrolite, Tr-90 Nylon, Stainless Steel Hinges