I tried the Mercenary sunglasses with Prizm Golf lenses for this review and found them to be exactly as advertised: they enhance colour and contrast and deliver the goods in a variety of weather ...

The optical performance of these sunglasses is the best we've tested, and considering the amount of technology Oakley puts in the lenses, that's exactly what you'd expect. These shades use Prizm ...

With 2,000 Olympic athletes wearing Oakley ... brand’s Prizm Lens technology that tints lenses to the needs of the environment, highlighting certain colors and creating bolder color contrasts.