Finlet is made for those looking for a tool to get the job done. Engineered to perform in the toughest of elements, Finlet features an 8 base wrap and finlet inspired side shields that provide coverage and protection from the elements. Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren't lost while exploring. Finlet was also designed to last. Double injected Hydrolite prevents delamination and ensures a long-lasting, high performing product. 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 8 base curve decentered - max coverage - frames with maximum-coverage and wrap that help reduce light leak 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 Optimal usage - sight fishing in full sun, high contrast Costa 580 lenses - costa 580 lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short Lens' multipatented technology manges light by - absorbing harmful high-energy blue light (hev), enhancing reds, greens, and blues, filtering out harsh yellow 580 lightwave polycarbonate - lightweight, impact-resistant polycarbonate is your lightest most durable lense material option with patented c-wall - a molecular bond which is scratch-resistant