The Oakley™ Hydra revolutionises the look of traditional sports eyewear. Inspired by the everyday life of urban cyclists, the close-fitting sunglasses create a distinctive and versatile look and protect against wind and weather. The Prizm™ lens technology ensures improved vision and, thus, ensures that active athletes get through the day fully motivated and safely. Prizm™ lenses Prizm™ is a revolution in lens optics built on decades of colour science research. Prizm™ lenses offer unprecedented control over light transmission, allowing colours to be fine-tuned to maximise contrast and improve visibility. FeaturesOakley Hydra Crystal Black SunglassesBiO-Matter® frame made from 56 % organic materials Sports sunglasses by OakleyOakley logo on the framePrizm™ lenses are designed to enhance colour, contrast and detail