Prizm technology excels in bright conditions and improves the colour and contrast of your vision to help you see in more detail. The durable O-Matter frame is built to last, making the Ojector a worthwhile investment for your outdoor adventures. Prizm Lens - enhanced colour and contrast for full-detailed vision Stylish and versatile design Durable and comfortable O-Matter frame Frame colour: Matt Black Lens colour: Prizm Grey Light transmission: 17% Light conditions: Bright light