The Oakley Portal X Black Dark Men's Sunglasses is made with durable and lightweight O Matter frame material that provides all day comfort. These sunglasses feature a Prizm lenses that enhances colour, contrast, and detail for an optimized experience. These sunglasses include Unobtainium on the inside of the ear socks and nose pads to increase grip when wet to help keep the eyewear securely in place. Features-Prizm lenses enhance colour, contrast, and detail -All-day comfort with lightweight O Matter frame material-Unobtainium on the inside of the ear socks and nose pads increase grip when wet to help keep the eyewear securely in place

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