Oakley Sylas XL Matte Black Prizm Black Polar sunglasses are reliable glasses with enhanced features for everyday use. The BiO-Matter frame is lightweight and comfortable. The arms are compatible with caps, which is always a real bonus for using these glasses anywhere, whenever the sun comes out. The Prizm Black Polar lenses are designed to enhance colours, contrasts and details so you can get the most out of all your outdoor activities, alongside your bike. The Three-Point Fit system ensures that the glasses stay securely on your head for ever more precise optical alignment. In short, these Oakley Sylas XL Matte Black Prizm Black Polar sunglasses will quickly meet all your expectations. Technical specifications: - Frame colour: Matte Black - BiO-Matter frame- Lens material: Acetate - Lens properties: Standard - Lens colour: Prizm Black Polar - Protection index, lens category: 3P - Lens transmission percentage: 11% - Three-Point Fit system