The Costa Del Mar Lifestyle Shipwrecks Sunglasses deliver clean, timeless simplicity paired with premier optical performance for casual, sun-soaked days. This sophisticated design features a lightweight Brown Smoke frame precision-crafted from durable 4-base bio-acetate and accented with custom stainless steel core wires. Outfitted with high-clarity Copper Gradient 580G polarized glass lenses, this model provides incredible contrast and depth perception across shifting overhead light environments. Costa's proprietary 580G Lightwave glass engineering targets and filters out harsh yellow light spectrums, significantly reducing eye strain during long hours outdoors. Built with heavy-duty 5-barrel hinges to comfortably secure your fit, Costa stands behind the reliable lifespan of these lifestyle essential frames with a limited lifetime manufacturer warranty. Costa Del Mar Lifestyle Shipwrecks Men's Brown Smoke Frame Copper Gradient 580G Polarized Lens Sunglasses 06S2020-20200554