Sunglasses/REVO HD Polarized lenses: Polarized lenses greatly reduce the brightness of shiny surfaces, like metals and water. Polar lenses reduce reflections and enhance contrast, improving visual accuracy and causing less eye distress. The REVO polarized lens is HD Vision and the mirror is REVO quality. These glasses prevent scratching and they also get the colour rich and saturated./UV400 - European Standard EN 1836-2003 - Category 3/Plus Neoprene case and lens cloth/Dimensions: Front 14.4 x 4.7 cm Hydroponic sunglasses featuring REVO HD Polarized lenses, which greatly reduces the brightness of shiny surfaces, like metals and water. Polar lenses reduce reflections and enhance contrast, improving visual accuracy and causing less eye distress. These glasses prevent scratching and they also get the color rich and saturated, and comply with UV400 - European Standard EN 1836-2003 - Category 3. Neoprene case and lens cloth included.