OakleyPrizm H20 Deep Polarised ValveCut a cool figure with sleek Oakley Valve sunglasses. Here clean lines and uncomplicated styling dominate. It's cool without trying hard. Here pure grey Plutonite lenses give the clearest views. But there's also High Definition Optics as standard. So light doesn't get skewed when it passes through lenses – eliminating haze and distortion. Now every object shows up in its real place. This Prizm H20 Deep Polarisededition comes with new Prizm Salt Water Polarised lenses. These Prizm lenses amplify and fine-tune certain colours like an equaliser. Contrast is sharp while colours are rich and vibrant.And these lenses reveal a clearer picture of the water. These are especially effective at sea. Here lenses are polarised to wipe out glare. Plus Oakley builds polarisation into the lens (there's no glue to block your view). So eyes no longer have to squint to see. They can relax. Wear Valve all day... it's made from lightweight O-Matter for a comfortable fit. You'll hardly notice it's there. And this frame is astonishingly durable. Plus it stays snugly (yet firmly) in place when you sweat thanks to Unobtainium nose pads and earsocks.Three-Point Fit holds Valve in place without irritating pressure points. All lenses block 100 per cent of UVA/UVB/UVC rays and blue light up to 400 nm. Oakley sunglasses come with a two-year warranty.