Overview Dirty Dog’s are equipped with the latest lens technology in POLARIZED POLYFILTER and POLYCARBONATE lenses. POLYCARBONATE is the most impact resistant optical material available, guaranteeing the wearer protection from physical objects as well as visual comfort. Scientifically formulated to offer exceptional defence against the suns harmful rays, these POLARIZED POLYFILTER and POLYCARBONATE lenses absorb radiation that can be damaging to the human eye and provide clear and restful vision in the most extreme environmental conditions. Lenses Latest lens technology in Polarised Polyfilter and Polycarbonate. Exceptional defence against the suns harmful rays 4 UV filters for Optimum UV Blockages Blocks reflected horizontal glare, ideal choice for fishing, boating and skiing Treated with two protective hard coatings making the lenses extremely scratch resistant. TR90 Frame Put through the hardest testing conditions, Dirty Dog Eyewear has proven Grilamide TR90, a thermoplastic polymide will keep its properties in extreme temperatures including high and low temperatures, as well as humid or dry conditions. The perfect choice for any situation giving the wearer a guarantee that they will stand up to the job. Ergonomically designed to be superior in comfort and fit in high sporting conditions Lightweight TR90 Frames with 100% memory add to the performance Durable Frames Dirty Dog Monza Sunglasses