Dirty Dog Knox - Satin Black-Grey Polarized Lens

These Dirty Dogs are equipped with the latest lens technology in POLYFILTER POLARISED lenses. Scientifically formulated to offer exceptional defence against the suns harmful rays. Our POLYFILTER POLARISED lenses absorb radiation that can be damaging to the human eye and block reflected glare. These lenses provide clear and restful vision in the most extreme environmental conditions.  The lenses contain 4 UV filters for optimum UV blockage. All Dirty Dog lenses are treated with two specially developed hard coatings to make the lenses scratch resistant and prevent the deterioration of lens clarity. These Dirty Dog sunglass frames are moulded from Grilamide TR90, a thermoplastic polyamide. Lightweight, extremely flexible yet super strong with 100% memory allowing the frames to bounce back to their original shape.  The hinges on Dirty Dog sunglasses are an inherent and important part of the overall design of the frame and a key factor of its strength. The outstanding hinges are used for their exceptional strength. Dirty Dog Eyewear carry a 12-month warranty from date of purchase against faulty materials and workmanship. This warranty excludes scratching of the lens. Glasses should be kept in their protective pouch when not being worn. Important: to validate your warranty please present to the retailer with proof of purchase receipt.