The Costa Del Mar Lifestyle Gravels Sunglasses provide a relaxed coastal look with a modern attitude, shaped for those who seamlessly transition between the beach and the streets. This casual model showcases a distinct Brown Smoke frame sculpted from lightweight bio-acetate materials, offering an effortless feel and comfortable wearability all day long. Outfitted with high-clarity Copper Gradient 580G polarized glass lenses, this configuration heavily cuts down blistering surface glare while sharpening contrasts and depth visibility under variable lighting conditions. Costa's premium 580G Lightwave glass engineering selectively filters out harsh yellow wavelengths to dramatically reduce eye fatigue during extended outdoor routines. Complete with a versatile, modified square silhouette that pairs beautifully with any everyday routine, Costa stands firmly behind this premium sunwear asset with their signature limited lifetime manufacturer warranty. Costa Del Mar Lifestyle Gravels Men's Brown Smoke Frame Copper Gradient 580G Polarized Lens Sunglasses 06S2019-20190657