Product details:

Costa Slack Tide 580G Polarized Sunglasses have a laid-back, West Coast-inspired nylon frame and style that goes from the boat to the beach with ease. These Costa sports and fishing sunglasses are built with 580G LightWave polarized glass lenses for maximum clarity, reduced glare, scratch resistance, and a lightweight feel that's 20% thinner the other glass lenses. The 6-base frame has pin hinges with Hydrolite padding for a comfortable fit. Costa Slack Tide 580G Polarized Sunglasses deliver 100% UV protection with strategic ventilation ports to reduce fogging and improve air circulation. Includes case and cleaning cloth. Imported. 580G LightWave polarized glass lenses are 20% thinner and lighter Maximum clarity with scratch resistance Reduces glare for amazing views on the water 100% UVA, UVB, and UVC protection Lightweight nylon frame Ventilated ports reduce fogging Hydrolite nose pads for nonslip fit Includes case and cleaning clothAbout your Costa lenses: Blue Mirror Encapsulated mirrors deliver superior contrast and color in full sun and eliminate glare (gray base). Amber Excellent all-around lens delivers the brightest field of vision. Gray Maintains color saturation and natural contrast in medium to bright sun conditions. Copper Cuts glare and enhances contrast and color in all conditions. Green Mirror Encapsulated mirrors enhance visual acuity and eliminate glare (copper and amber base). Silver Mirror Encapsulated mirrors enhance visual acuity and eliminate glare (copper and amber base). Sunrise High contrast lens allows maximum light transmission; perfect for low light conditions such as early morning or late afternoon.