FEATURES1.Made with intelligent color changing factors, quickly change color under sunlight, ensure normal vision both indoor and outdoor.2. Progressive multifocal technology, creates 3 zones for different types of vision. As the added value increases continuously in the gradient region,you can get clear visionfrom near to far distace without jump image.3.Create a more convenient outdoor life if you likes driving, going hiking, fishing, etc.DETAILSFrameShapeRectangleSpringHingesYesCoatedFilmYesFrameTypeFullFrameLensTypeProgressive/ Sun-resistantLensColorClearBridgeColorGun ColorTempleColorGun ColorSizeLargeLensMaterialResinlensFrameMaterialMetalPupilDistance63+-2mmGlassesWeightApp. 23gFrameMeasurementsLensWidth52mmLensHeight50mmBridgeWidth18mmTempleLength138mmPackageIncludedReadingGlasses1Glasses Casenot includedGlasses Clothnot included