Lens Material: Polarized Glass (580G). Lens Technology – Costa 580G Polarized Glass Lenses. Costa’s580G lens technology isscientifically engineered to optimize color contrast, eliminate glare, and provide thesharpest, most detailed vision possible.

The Costa Del Mar 6S9006 16 Fantail Sunglasses in Matte Black Blue Mirror are sleek and stylish accessories for men. Featuring polarized lenses, 100% UVA & UVB protection, and a wrap style design, these sunglasses offer both fashionable and functional use. With a frame color of matte black and a bio-based frame material, these sunglasses are both durable and eco-friendly. The blue lenses and 59.2mm lens width provide a stylish and comfortable look that is perfect for any outdoor activity.