Dirty Dog CircuitBlack / GreyPolarised LensesChoose Dirty Dog Circuit sunglasses, and you'll get a smooth, stylish wrap-around frame. Plus...Put these on when it's sunny and look around. Wonder why there's no glare reflecting back? It's because these are polarised sunglasses. So glare can't get through lenses and ruin your view.Everything's sharp and clear through this version's grey polarised lenses.Plus peripheral vision is open with these wrap sunglasses. Circuit shields eyes from wind and dirt too. And Dirty Dog lenses also give brilliant impact protection.Because Circuit is crafted from grilamid TR90, it’s supremely strong. But it’s lightweight for a comfortable fit (and these fit medium-sized heads especially well). And its versatile frame is flexible. UV400 lenses. Dirty Dog sunglasses come with a one year warranty.