The Oakley Chrystl Matte Black Frame with Prizm Blue Lens Men's Sunglasses are a stylish and functional accessory for men. These square-shaped sunglasses feature a geometric pattern with a black frame and blue lenses that are both prizm polarized and mirrored for optimal clarity and protection. Made with lightweight polycarbonate material, these sunglasses are perfect for sports enthusiasts or anyone looking for a combination of fashion and functionality in their eyewear. Designed by Oakley in the United States, these sunglasses are a must-have for any outdoor activity.